2653281790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{340601}}^1$

素因数の和:340668

約数の個数: 32

約数和(自身を含む): 5149902240

約数和(自身を除く): 2496620450

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 340601, 681202, 1703005, 3406010, 6471419, 12942838, 13964641, 27929282, 32357095, 64714190, 69823205, 139646410, 265328179, 530656358, 1326640895, 2653281790]

約数ペア:

[(1, 2653281790), (2, 1326640895), (5, 530656358), (10, 265328179), (19, 139646410), (38, 69823205), (41, 64714190), (82, 32357095), (95, 27929282), (190, 13964641), (205, 12942838), (410, 6471419), (779, 3406010), (1558, 1703005), (3895, 681202), (7790, 340601)]