16638310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{977}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 32532192

約数和(自身を除く): 15893882

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 977, 1310, 1703, 1954, 3406, 4885, 8515, 9770, 12701, 17030, 25402, 63505, 127010, 127987, 255974, 639935, 1279870, 1663831, 3327662, 8319155, 16638310]

約数ペア:

[(1, 16638310), (2, 8319155), (5, 3327662), (10, 1663831), (13, 1279870), (26, 639935), (65, 255974), (130, 127987), (131, 127010), (262, 63505), (655, 25402), (977, 17030), (1310, 12701), (1703, 9770), (1954, 8515), (3406, 4885)]