391607216

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 160

約数和(自身を含む): 1041600000

約数和(自身を除く): 649992784

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 286, 308, 343, 364, 392, 499, 539, 572, 616, 637, 686, 728, 784, 998, 1001, 1078, 1144, 1232, 1274, 1372, 1456, 1996, 2002, 2156, 2288, 2548, 2744, 3493, 3773, 3992, 4004, 4312, 4459, 5096, 5488, 5489, 6487, 6986, 7007, 7546, 7984, 8008, 8624, 8918, 10192, 10978, 12974, 13972, 14014, 15092, 16016, 17836, 21956, 24451, 25948, 27944, 28028, 30184, 35672, 38423, 43912, 45409, 48902, 49049, 51896, 55888, 56056, 60368, 71344, 71357, 76846, 87824, 90818, 97804, 98098, 103792, 112112, 142714, 153692, 171157, 181636, 195608, 196196, 268961, 285428, 307384, 317863, 342314, 363272, 391216, 392392, 499499, 537922, 570856, 614768, 635726, 684628, 726544, 784784, 998998, 1075844, 1141712, 1271452, 1369256, 1882727, 1997996, 2151688, 2225041, 2542904, 2738512, 3496493, 3765454, 3995992, 4303376, 4450082, 5085808, 6992986, 7530908, 7991984, 8900164, 13985972, 15061816, 17800328, 24475451, 27971944, 30123632, 35600656, 48950902, 55943888, 97901804, 195803608, 391607216]

約数ペア:

[(1, 391607216), (2, 195803608), (4, 97901804), (7, 55943888), (8, 48950902), (11, 35600656), (13, 30123632), (14, 27971944), (16, 24475451), (22, 17800328), (26, 15061816), (28, 13985972), (44, 8900164), (49, 7991984), (52, 7530908), (56, 6992986), (77, 5085808), (88, 4450082), (91, 4303376), (98, 3995992), (104, 3765454), (112, 3496493), (143, 2738512), (154, 2542904), (176, 2225041), (182, 2151688), (196, 1997996), (208, 1882727), (286, 1369256), (308, 1271452), (343, 1141712), (364, 1075844), (392, 998998), (499, 784784), (539, 726544), (572, 684628), (616, 635726), (637, 614768), (686, 570856), (728, 537922), (784, 499499), (998, 392392), (1001, 391216), (1078, 363272), (1144, 342314), (1232, 317863), (1274, 307384), (1372, 285428), (1456, 268961), (1996, 196196), (2002, 195608), (2156, 181636), (2288, 171157), (2548, 153692), (2744, 142714), (3493, 112112), (3773, 103792), (3992, 98098), (4004, 97804), (4312, 90818), (4459, 87824), (5096, 76846), (5488, 71357), (5489, 71344), (6487, 60368), (6986, 56056), (7007, 55888), (7546, 51896), (7984, 49049), (8008, 48902), (8624, 45409), (8918, 43912), (10192, 38423), (10978, 35672), (12974, 30184), (13972, 28028), (14014, 27944), (15092, 25948), (16016, 24451), (17836, 21956)]