213388128

素因数分解:

$2^5\times 3^3\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 645608880

約数和(自身を除く): 432220752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 93, 96, 108, 124, 144, 186, 216, 248, 257, 279, 288, 372, 432, 496, 514, 558, 744, 771, 837, 864, 961, 992, 1028, 1116, 1488, 1542, 1674, 1922, 2056, 2232, 2313, 2883, 2976, 3084, 3348, 3844, 4112, 4464, 4626, 5766, 6168, 6696, 6939, 7688, 7967, 8224, 8649, 8928, 9252, 11532, 12336, 13392, 13878, 15376, 15934, 17298, 18504, 23064, 23901, 24672, 25947, 26784, 27756, 30752, 31868, 34596, 37008, 46128, 47802, 51894, 55512, 63736, 69192, 71703, 74016, 92256, 95604, 103788, 111024, 127472, 138384, 143406, 191208, 207576, 215109, 222048, 246977, 254944, 276768, 286812, 382416, 415152, 430218, 493954, 573624, 740931, 764832, 830304, 860436, 987908, 1147248, 1481862, 1720872, 1975816, 2222793, 2294496, 2963724, 3441744, 3951632, 4445586, 5927448, 6668379, 6883488, 7903264, 8891172, 11854896, 13336758, 17782344, 23709792, 26673516, 35564688, 53347032, 71129376, 106694064, 213388128]

約数ペア:

[(1, 213388128), (2, 106694064), (3, 71129376), (4, 53347032), (6, 35564688), (8, 26673516), (9, 23709792), (12, 17782344), (16, 13336758), (18, 11854896), (24, 8891172), (27, 7903264), (31, 6883488), (32, 6668379), (36, 5927448), (48, 4445586), (54, 3951632), (62, 3441744), (72, 2963724), (93, 2294496), (96, 2222793), (108, 1975816), (124, 1720872), (144, 1481862), (186, 1147248), (216, 987908), (248, 860436), (257, 830304), (279, 764832), (288, 740931), (372, 573624), (432, 493954), (496, 430218), (514, 415152), (558, 382416), (744, 286812), (771, 276768), (837, 254944), (864, 246977), (961, 222048), (992, 215109), (1028, 207576), (1116, 191208), (1488, 143406), (1542, 138384), (1674, 127472), (1922, 111024), (2056, 103788), (2232, 95604), (2313, 92256), (2883, 74016), (2976, 71703), (3084, 69192), (3348, 63736), (3844, 55512), (4112, 51894), (4464, 47802), (4626, 46128), (5766, 37008), (6168, 34596), (6696, 31868), (6939, 30752), (7688, 27756), (7967, 26784), (8224, 25947), (8649, 24672), (8928, 23901), (9252, 23064), (11532, 18504), (12336, 17298), (13392, 15934), (13878, 15376)]