208306616

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{52391}}^1$

素因数の和:52475

約数の個数: 32

約数和(自身を含む): 452666880

約数和(自身を除く): 244360264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 52391, 104782, 209564, 366737, 419128, 733474, 1466948, 2933896, 3719761, 7439522, 14879044, 26038327, 29758088, 52076654, 104153308, 208306616]

約数ペア:

[(1, 208306616), (2, 104153308), (4, 52076654), (7, 29758088), (8, 26038327), (14, 14879044), (28, 7439522), (56, 3719761), (71, 2933896), (142, 1466948), (284, 733474), (497, 419128), (568, 366737), (994, 209564), (1988, 104782), (3976, 52391)]