68616821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 88397568

約数和(自身を除く): 19780747

約数列:

[1, 7, 13, 41, 53, 91, 287, 347, 371, 533, 689, 2173, 2429, 3731, 4511, 4823, 14227, 15211, 18391, 28249, 31577, 99589, 128737, 184951, 197743, 239083, 754031, 1294657, 1673581, 5278217, 9802403, 68616821]

約数ペア:

[(1, 68616821), (7, 9802403), (13, 5278217), (41, 1673581), (53, 1294657), (91, 754031), (287, 239083), (347, 197743), (371, 184951), (533, 128737), (689, 99589), (2173, 31577), (2429, 28249), (3731, 18391), (4511, 15211), (4823, 14227)]