391211568

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 180

約数和(自身を含む): 1238954184

約数和(自身を除く): 847742616

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 33, 36, 44, 48, 62, 66, 72, 88, 93, 99, 124, 132, 144, 176, 186, 198, 248, 257, 264, 279, 341, 372, 396, 496, 514, 528, 558, 682, 744, 771, 792, 961, 1023, 1028, 1116, 1364, 1488, 1542, 1584, 1922, 2046, 2056, 2232, 2313, 2728, 2827, 2883, 3069, 3084, 3844, 4092, 4112, 4464, 4626, 5456, 5654, 5766, 6138, 6168, 7688, 7967, 8184, 8481, 8649, 9252, 10571, 11308, 11532, 12276, 12336, 15376, 15934, 16368, 16962, 17298, 18504, 21142, 22616, 23064, 23901, 24552, 25443, 31713, 31868, 33924, 34596, 37008, 42284, 45232, 46128, 47802, 49104, 50886, 63426, 63736, 67848, 69192, 71703, 84568, 87637, 95139, 95604, 101772, 126852, 127472, 135696, 138384, 143406, 169136, 175274, 190278, 191208, 203544, 246977, 253704, 262911, 286812, 350548, 380556, 382416, 407088, 493954, 507408, 525822, 573624, 701096, 740931, 761112, 788733, 987908, 1051644, 1147248, 1402192, 1481862, 1522224, 1577466, 1975816, 2103288, 2222793, 2716747, 2963724, 3154932, 3951632, 4206576, 4445586, 5433494, 5927448, 6309864, 8150241, 8891172, 10866988, 11854896, 12619728, 16300482, 17782344, 21733976, 24450723, 32600964, 35564688, 43467952, 48901446, 65201928, 97802892, 130403856, 195605784, 391211568]

約数ペア:

[(1, 391211568), (2, 195605784), (3, 130403856), (4, 97802892), (6, 65201928), (8, 48901446), (9, 43467952), (11, 35564688), (12, 32600964), (16, 24450723), (18, 21733976), (22, 17782344), (24, 16300482), (31, 12619728), (33, 11854896), (36, 10866988), (44, 8891172), (48, 8150241), (62, 6309864), (66, 5927448), (72, 5433494), (88, 4445586), (93, 4206576), (99, 3951632), (124, 3154932), (132, 2963724), (144, 2716747), (176, 2222793), (186, 2103288), (198, 1975816), (248, 1577466), (257, 1522224), (264, 1481862), (279, 1402192), (341, 1147248), (372, 1051644), (396, 987908), (496, 788733), (514, 761112), (528, 740931), (558, 701096), (682, 573624), (744, 525822), (771, 507408), (792, 493954), (961, 407088), (1023, 382416), (1028, 380556), (1116, 350548), (1364, 286812), (1488, 262911), (1542, 253704), (1584, 246977), (1922, 203544), (2046, 191208), (2056, 190278), (2232, 175274), (2313, 169136), (2728, 143406), (2827, 138384), (2883, 135696), (3069, 127472), (3084, 126852), (3844, 101772), (4092, 95604), (4112, 95139), (4464, 87637), (4626, 84568), (5456, 71703), (5654, 69192), (5766, 67848), (6138, 63736), (6168, 63426), (7688, 50886), (7967, 49104), (8184, 47802), (8481, 46128), (8649, 45232), (9252, 42284), (10571, 37008), (11308, 34596), (11532, 33924), (12276, 31868), (12336, 31713), (15376, 25443), (15934, 24552), (16368, 23901), (16962, 23064), (17298, 22616), (18504, 21142)]