72988888

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1783}}^1$

素因数の和:1856

約数の個数: 64

約数和(自身を含む): 169551360

約数和(自身を除く): 96562472

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 43, 56, 68, 86, 119, 136, 172, 238, 301, 344, 476, 602, 731, 952, 1204, 1462, 1783, 2408, 2924, 3566, 5117, 5848, 7132, 10234, 12481, 14264, 20468, 24962, 30311, 40936, 49924, 60622, 76669, 99848, 121244, 153338, 212177, 242488, 306676, 424354, 536683, 613352, 848708, 1073366, 1303373, 1697416, 2146732, 2606746, 4293464, 5213492, 9123611, 10426984, 18247222, 36494444, 72988888]

約数ペア:

[(1, 72988888), (2, 36494444), (4, 18247222), (7, 10426984), (8, 9123611), (14, 5213492), (17, 4293464), (28, 2606746), (34, 2146732), (43, 1697416), (56, 1303373), (68, 1073366), (86, 848708), (119, 613352), (136, 536683), (172, 424354), (238, 306676), (301, 242488), (344, 212177), (476, 153338), (602, 121244), (731, 99848), (952, 76669), (1204, 60622), (1462, 49924), (1783, 40936), (2408, 30311), (2924, 24962), (3566, 20468), (5117, 14264), (5848, 12481), (7132, 10234)]