87109876

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{100357}}^1$

素因数の和:100399

約数の個数: 24

約数和(自身を含む): 179841536

約数和(自身を除く): 92731660

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 100357, 200714, 401428, 702499, 1404998, 2809996, 3111067, 6222134, 12444268, 21777469, 43554938, 87109876]

約数ペア:

[(1, 87109876), (2, 43554938), (4, 21777469), (7, 12444268), (14, 6222134), (28, 3111067), (31, 2809996), (62, 1404998), (124, 702499), (217, 401428), (434, 200714), (868, 100357)]