56291879

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 72078336

約数和(自身を除く): 15786457

約数列:

[1, 7, 17, 23, 119, 131, 157, 161, 391, 917, 1099, 2227, 2669, 2737, 3013, 3611, 15589, 18683, 20567, 21091, 25277, 51221, 61387, 143969, 349639, 358547, 429709, 473041, 2447473, 3311287, 8041697, 56291879]

約数ペア:

[(1, 56291879), (7, 8041697), (17, 3311287), (23, 2447473), (119, 473041), (131, 429709), (157, 358547), (161, 349639), (391, 143969), (917, 61387), (1099, 51221), (2227, 25277), (2669, 21091), (2737, 20567), (3013, 18683), (3611, 15589)]