128950328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 294174720

約数和(自身を除く): 165224392

約数列:

[1, 2, 4, 8, 13, 23, 26, 31, 37, 46, 47, 52, 62, 74, 92, 94, 104, 124, 148, 184, 188, 248, 296, 299, 376, 403, 481, 598, 611, 713, 806, 851, 962, 1081, 1147, 1196, 1222, 1426, 1457, 1612, 1702, 1739, 1924, 2162, 2294, 2392, 2444, 2852, 2914, 3224, 3404, 3478, 3848, 4324, 4588, 4888, 5704, 5828, 6808, 6956, 8648, 9176, 9269, 11063, 11656, 13912, 14053, 14911, 18538, 18941, 22126, 22607, 26381, 28106, 29822, 33511, 37076, 37882, 39997, 44252, 45214, 52762, 53909, 56212, 59644, 67022, 74152, 75764, 79994, 88504, 90428, 105524, 107818, 112424, 119288, 134044, 151528, 159988, 180856, 211048, 215636, 268088, 319976, 342953, 431272, 435643, 519961, 685906, 700817, 871286, 1039922, 1239907, 1371812, 1401634, 1742572, 2079844, 2479814, 2743624, 2803268, 3485144, 4159688, 4959628, 5606536, 9919256, 16118791, 32237582, 64475164, 128950328]

約数ペア:

[(1, 128950328), (2, 64475164), (4, 32237582), (8, 16118791), (13, 9919256), (23, 5606536), (26, 4959628), (31, 4159688), (37, 3485144), (46, 2803268), (47, 2743624), (52, 2479814), (62, 2079844), (74, 1742572), (92, 1401634), (94, 1371812), (104, 1239907), (124, 1039922), (148, 871286), (184, 700817), (188, 685906), (248, 519961), (296, 435643), (299, 431272), (376, 342953), (403, 319976), (481, 268088), (598, 215636), (611, 211048), (713, 180856), (806, 159988), (851, 151528), (962, 134044), (1081, 119288), (1147, 112424), (1196, 107818), (1222, 105524), (1426, 90428), (1457, 88504), (1612, 79994), (1702, 75764), (1739, 74152), (1924, 67022), (2162, 59644), (2294, 56212), (2392, 53909), (2444, 52762), (2852, 45214), (2914, 44252), (3224, 39997), (3404, 37882), (3478, 37076), (3848, 33511), (4324, 29822), (4588, 28106), (4888, 26381), (5704, 22607), (5828, 22126), (6808, 18941), (6956, 18538), (8648, 14911), (9176, 14053), (9269, 13912), (11063, 11656)]