27982910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 52091424

約数和(自身を除く): 24108514

約数列:

[1, 2, 5, 10, 41, 82, 131, 205, 262, 410, 521, 655, 1042, 1310, 2605, 5210, 5371, 10742, 21361, 26855, 42722, 53710, 68251, 106805, 136502, 213610, 341255, 682510, 2798291, 5596582, 13991455, 27982910]

約数ペア:

[(1, 27982910), (2, 13991455), (5, 5596582), (10, 2798291), (41, 682510), (82, 341255), (131, 213610), (205, 136502), (262, 106805), (410, 68251), (521, 53710), (655, 42722), (1042, 26855), (1310, 21361), (2605, 10742), (5210, 5371)]