68189888

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2065

約数の個数: 56

約数和(自身を含む): 149352000

約数和(自身を除く): 81162112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 164, 208, 328, 416, 533, 656, 832, 1066, 1312, 1999, 2132, 2624, 3998, 4264, 7996, 8528, 15992, 17056, 25987, 31984, 34112, 51974, 63968, 81959, 103948, 127936, 163918, 207896, 327836, 415792, 655672, 831584, 1065467, 1311344, 1663168, 2130934, 2622688, 4261868, 5245376, 8523736, 17047472, 34094944, 68189888]

約数ペア:

[(1, 68189888), (2, 34094944), (4, 17047472), (8, 8523736), (13, 5245376), (16, 4261868), (26, 2622688), (32, 2130934), (41, 1663168), (52, 1311344), (64, 1065467), (82, 831584), (104, 655672), (164, 415792), (208, 327836), (328, 207896), (416, 163918), (533, 127936), (656, 103948), (832, 81959), (1066, 63968), (1312, 51974), (1999, 34112), (2132, 31984), (2624, 25987), (3998, 17056), (4264, 15992), (7996, 8528)]