68578237

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 87816960

約数和(自身を除く): 19238723

約数列:

[1, 7, 13, 53, 59, 91, 241, 371, 413, 689, 767, 1687, 3127, 3133, 4823, 5369, 12773, 14219, 21889, 21931, 40651, 89411, 99533, 166049, 184847, 284557, 753607, 1162343, 1293929, 5275249, 9796891, 68578237]

約数ペア:

[(1, 68578237), (7, 9796891), (13, 5275249), (53, 1293929), (59, 1162343), (91, 753607), (241, 284557), (371, 184847), (413, 166049), (689, 99533), (767, 89411), (1687, 40651), (3127, 21931), (3133, 21889), (4823, 14219), (5369, 12773)]