245295856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{69371}}^1$

素因数の和:69409

約数の個数: 40

約数和(自身を含む): 541934064

約数和(自身を除く): 296638208

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 69371, 138742, 277484, 554968, 901823, 1109936, 1179307, 1803646, 2358614, 3607292, 4717228, 7214584, 9434456, 14429168, 15330991, 18868912, 30661982, 61323964, 122647928, 245295856]

約数ペア:

[(1, 245295856), (2, 122647928), (4, 61323964), (8, 30661982), (13, 18868912), (16, 15330991), (17, 14429168), (26, 9434456), (34, 7214584), (52, 4717228), (68, 3607292), (104, 2358614), (136, 1803646), (208, 1179307), (221, 1109936), (272, 901823), (442, 554968), (884, 277484), (1768, 138742), (3536, 69371)]