138640804

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{683}}^1\times {\mathrm{1637}}^1$

素因数の和:2355

約数の個数: 24

約数和(自身を含む): 250967808

約数和(自身を除く): 112327004

約数列:

[1, 2, 4, 31, 62, 124, 683, 1366, 1637, 2732, 3274, 6548, 21173, 42346, 50747, 84692, 101494, 202988, 1118071, 2236142, 4472284, 34660201, 69320402, 138640804]

約数ペア:

[(1, 138640804), (2, 69320402), (4, 34660201), (31, 4472284), (62, 2236142), (124, 1118071), (683, 202988), (1366, 101494), (1637, 84692), (2732, 50747), (3274, 42346), (6548, 21173)]