28390544

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 160

約数和(自身を含む): 75995136

約数和(自身を除く): 47604592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 31, 34, 37, 52, 56, 62, 68, 74, 91, 104, 112, 119, 124, 136, 148, 182, 208, 217, 221, 238, 248, 259, 272, 296, 364, 403, 434, 442, 476, 481, 496, 518, 527, 592, 629, 728, 806, 868, 884, 952, 962, 1036, 1054, 1147, 1258, 1456, 1547, 1612, 1736, 1768, 1904, 1924, 2072, 2108, 2294, 2516, 2821, 3094, 3224, 3367, 3472, 3536, 3689, 3848, 4144, 4216, 4403, 4588, 5032, 5642, 6188, 6448, 6734, 6851, 7378, 7696, 8029, 8177, 8432, 8806, 9176, 10064, 11284, 12376, 13468, 13702, 14756, 14911, 16058, 16354, 17612, 18352, 19499, 22568, 24752, 26936, 27404, 29512, 29822, 32116, 32708, 35224, 38998, 45136, 47957, 53872, 54808, 57239, 59024, 59644, 64232, 65416, 70448, 77996, 95914, 104377, 109616, 114478, 119288, 128464, 130832, 136493, 155992, 191828, 208754, 228956, 238576, 253487, 272986, 311984, 383656, 417508, 457912, 506974, 545972, 767312, 835016, 915824, 1013948, 1091944, 1670032, 1774409, 2027896, 2183888, 3548818, 4055792, 7097636, 14195272, 28390544]

約数ペア:

[(1, 28390544), (2, 14195272), (4, 7097636), (7, 4055792), (8, 3548818), (13, 2183888), (14, 2027896), (16, 1774409), (17, 1670032), (26, 1091944), (28, 1013948), (31, 915824), (34, 835016), (37, 767312), (52, 545972), (56, 506974), (62, 457912), (68, 417508), (74, 383656), (91, 311984), (104, 272986), (112, 253487), (119, 238576), (124, 228956), (136, 208754), (148, 191828), (182, 155992), (208, 136493), (217, 130832), (221, 128464), (238, 119288), (248, 114478), (259, 109616), (272, 104377), (296, 95914), (364, 77996), (403, 70448), (434, 65416), (442, 64232), (476, 59644), (481, 59024), (496, 57239), (518, 54808), (527, 53872), (592, 47957), (629, 45136), (728, 38998), (806, 35224), (868, 32708), (884, 32116), (952, 29822), (962, 29512), (1036, 27404), (1054, 26936), (1147, 24752), (1258, 22568), (1456, 19499), (1547, 18352), (1612, 17612), (1736, 16354), (1768, 16058), (1904, 14911), (1924, 14756), (2072, 13702), (2108, 13468), (2294, 12376), (2516, 11284), (2821, 10064), (3094, 9176), (3224, 8806), (3367, 8432), (3472, 8177), (3536, 8029), (3689, 7696), (3848, 7378), (4144, 6851), (4216, 6734), (4403, 6448), (4588, 6188), (5032, 5642)]