678984764

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{38693}}^1$

素因数の和:38845

約数の個数: 24

約数和(自身を含む): 1228611888

約数和(自身を除く): 549627124

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 428, 4387, 8774, 17548, 38693, 77386, 154772, 1586413, 3172826, 4140151, 6345652, 8280302, 16560604, 169746191, 339492382, 678984764]

約数ペア:

[(1, 678984764), (2, 339492382), (4, 169746191), (41, 16560604), (82, 8280302), (107, 6345652), (164, 4140151), (214, 3172826), (428, 1586413), (4387, 154772), (8774, 77386), (17548, 38693)]