68780308

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{2161}}^1$

素因数の和:2347

約数の個数: 24

約数和(自身を含む): 123190760

約数和(自身を除く): 54410452

約数列:

[1, 2, 4, 73, 109, 146, 218, 292, 436, 2161, 4322, 7957, 8644, 15914, 31828, 157753, 235549, 315506, 471098, 631012, 942196, 17195077, 34390154, 68780308]

約数ペア:

[(1, 68780308), (2, 34390154), (4, 17195077), (73, 942196), (109, 631012), (146, 471098), (218, 315506), (292, 235549), (436, 157753), (2161, 31828), (4322, 15914), (7957, 8644)]