390145106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{11257}}^1$

素因数の和:11346

約数の個数: 32

約数和(自身を含む): 665753088

約数和(自身を除く): 275607982

約数列:

[1, 2, 13, 26, 31, 43, 62, 86, 403, 559, 806, 1118, 1333, 2666, 11257, 17329, 22514, 34658, 146341, 292682, 348967, 484051, 697934, 968102, 4536571, 6292663, 9073142, 12585326, 15005581, 30011162, 195072553, 390145106]

約数ペア:

[(1, 390145106), (2, 195072553), (13, 30011162), (26, 15005581), (31, 12585326), (43, 9073142), (62, 6292663), (86, 4536571), (403, 968102), (559, 697934), (806, 484051), (1118, 348967), (1333, 292682), (2666, 146341), (11257, 34658), (17329, 22514)]