77772790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{1583}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 148832640

約数和(自身を除く): 71059850

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 1583, 2890, 3166, 4913, 7915, 9826, 15830, 24565, 26911, 49130, 53822, 134555, 269110, 457487, 914974, 2287435, 4574870, 7777279, 15554558, 38886395, 77772790]

約数ペア:

[(1, 77772790), (2, 38886395), (5, 15554558), (10, 7777279), (17, 4574870), (34, 2287435), (85, 914974), (170, 457487), (289, 269110), (578, 134555), (1445, 53822), (1583, 49130), (2890, 26911), (3166, 24565), (4913, 15830), (7915, 9826)]