642572

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 1312416

約数和(自身を除く): 669844

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 433, 742, 866, 1484, 1732, 3031, 6062, 12124, 22949, 45898, 91796, 160643, 321286, 642572]

約数ペア:

[(1, 642572), (2, 321286), (4, 160643), (7, 91796), (14, 45898), (28, 22949), (53, 12124), (106, 6062), (212, 3031), (371, 1732), (433, 1484), (742, 866)]