68880968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2357}}^1$

素因数の和:2657

約数の個数: 32

約数和(自身を含む): 139640760

約数和(自身を除く): 70759792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 281, 562, 1124, 2248, 2357, 3653, 4714, 7306, 9428, 14612, 18856, 29224, 30641, 61282, 122564, 245128, 662317, 1324634, 2649268, 5298536, 8610121, 17220242, 34440484, 68880968]

約数ペア:

[(1, 68880968), (2, 34440484), (4, 17220242), (8, 8610121), (13, 5298536), (26, 2649268), (52, 1324634), (104, 662317), (281, 245128), (562, 122564), (1124, 61282), (2248, 30641), (2357, 29224), (3653, 18856), (4714, 14612), (7306, 9428)]