521110

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:120

約数の個数: 24

約数和(自身を含む): 992448

約数和(自身を除く): 471338

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 1681, 2542, 3362, 6355, 8405, 12710, 16810, 52111, 104222, 260555, 521110]

約数ペア:

[(1, 521110), (2, 260555), (5, 104222), (10, 52111), (31, 16810), (41, 12710), (62, 8405), (82, 6355), (155, 3362), (205, 2542), (310, 1681), (410, 1271)]