12813970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 25003440

約数和(自身を除く): 12189470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 409, 482, 818, 1205, 2045, 2410, 3133, 4090, 5317, 6266, 10634, 15665, 26585, 31330, 53170, 98569, 197138, 492845, 985690, 1281397, 2562794, 6406985, 12813970]

約数ペア:

[(1, 12813970), (2, 6406985), (5, 2562794), (10, 1281397), (13, 985690), (26, 492845), (65, 197138), (130, 98569), (241, 53170), (409, 31330), (482, 26585), (818, 15665), (1205, 10634), (2045, 6266), (2410, 5317), (3133, 4090)]