180721424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{51109}}^1$

素因数の和:51147

約数の個数: 40

約数和(自身を含む): 399271320

約数和(自身を除く): 218549896

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 51109, 102218, 204436, 408872, 664417, 817744, 868853, 1328834, 1737706, 2657668, 3475412, 5315336, 6950824, 10630672, 11295089, 13901648, 22590178, 45180356, 90360712, 180721424]

約数ペア:

[(1, 180721424), (2, 90360712), (4, 45180356), (8, 22590178), (13, 13901648), (16, 11295089), (17, 10630672), (26, 6950824), (34, 5315336), (52, 3475412), (68, 2657668), (104, 1737706), (136, 1328834), (208, 868853), (221, 817744), (272, 664417), (442, 408872), (884, 204436), (1768, 102218), (3536, 51109)]