12561208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 25830000

約数和(自身を除く): 13268792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 349, 409, 698, 818, 1396, 1636, 2792, 3272, 3839, 4499, 7678, 8998, 15356, 17996, 30712, 35992, 142741, 285482, 570964, 1141928, 1570151, 3140302, 6280604, 12561208]

約数ペア:

[(1, 12561208), (2, 6280604), (4, 3140302), (8, 1570151), (11, 1141928), (22, 570964), (44, 285482), (88, 142741), (349, 35992), (409, 30712), (698, 17996), (818, 15356), (1396, 8998), (1636, 7678), (2792, 4499), (3272, 3839)]