99971590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1637}}^1$

素因数の和:1872

約数の個数: 32

約数和(自身を含む): 186810624

約数和(自身を除く): 86839034

約数列:

[1, 2, 5, 10, 31, 62, 155, 197, 310, 394, 985, 1637, 1970, 3274, 6107, 8185, 12214, 16370, 30535, 50747, 61070, 101494, 253735, 322489, 507470, 644978, 1612445, 3224890, 9997159, 19994318, 49985795, 99971590]

約数ペア:

[(1, 99971590), (2, 49985795), (5, 19994318), (10, 9997159), (31, 3224890), (62, 1612445), (155, 644978), (197, 507470), (310, 322489), (394, 253735), (985, 101494), (1637, 61070), (1970, 50747), (3274, 30535), (6107, 16370), (8185, 12214)]