81423914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16747}}^1$

素因数の和:16790

約数の個数: 32

約数和(自身を含む): 151937856

約数和(自身を除く): 70513942

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4862, 16747, 33494, 184217, 217711, 284699, 368434, 435422, 569398, 2394821, 3131689, 3701087, 4789642, 6263378, 7402174, 40711957, 81423914]

約数ペア:

[(1, 81423914), (2, 40711957), (11, 7402174), (13, 6263378), (17, 4789642), (22, 3701087), (26, 3131689), (34, 2394821), (143, 569398), (187, 435422), (221, 368434), (286, 284699), (374, 217711), (442, 184217), (2431, 33494), (4862, 16747)]