1618996870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{221477}}^1$

素因数の和:221544

約数の個数: 32

約数和(自身を含む): 3157390368

約数和(自身を除く): 1538393498

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 3655, 7310, 221477, 442954, 1107385, 2214770, 3765109, 7530218, 9523511, 18825545, 19047022, 37651090, 47617555, 95235110, 161899687, 323799374, 809498435, 1618996870]

約数ペア:

[(1, 1618996870), (2, 809498435), (5, 323799374), (10, 161899687), (17, 95235110), (34, 47617555), (43, 37651090), (85, 19047022), (86, 18825545), (170, 9523511), (215, 7530218), (430, 3765109), (731, 2214770), (1462, 1107385), (3655, 442954), (7310, 221477)]