621643138

素因数分解:

$2^1\times {\mathrm{167}}^1\times {\mathrm{821}}^1\times {\mathrm{2267}}^1$

素因数の和:3257

約数の個数: 16

約数和(自身を含む): 939605184

約数和(自身を除く): 317962046

約数列:

[1, 2, 167, 334, 821, 1642, 2267, 4534, 137107, 274214, 378589, 757178, 1861207, 3722414, 310821569, 621643138]

約数ペア:

[(1, 621643138), (2, 310821569), (167, 3722414), (334, 1861207), (821, 757178), (1642, 378589), (2267, 274214), (4534, 137107)]