31415704918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1\times {\mathrm{19559}}^1$

素因数の和:20116

約数の個数: 32

約数和(自身を含む): 51197126400

約数和(自身を除く): 19781421482

約数列:

[1, 2, 13, 26, 163, 326, 379, 758, 2119, 4238, 4927, 9854, 19559, 39118, 61777, 123554, 254267, 508534, 803101, 1606202, 3188117, 6376234, 7412861, 14825722, 41445521, 82891042, 96367193, 192734386, 1208296343, 2416592686, 15707852459, 31415704918]

約数ペア:

[(1, 31415704918), (2, 15707852459), (13, 2416592686), (26, 1208296343), (163, 192734386), (326, 96367193), (379, 82891042), (758, 41445521), (2119, 14825722), (4238, 7412861), (4927, 6376234), (9854, 3188117), (19559, 1606202), (39118, 803101), (61777, 508534), (123554, 254267)]