78969878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{34127}}^1$

素因数の和:34231

約数の個数: 16

約数和(自身を含む): 129003840

約数和(自身を除く): 50033962

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 34127, 68254, 443651, 887302, 3037303, 6074606, 39484939, 78969878]

約数ペア:

[(1, 78969878), (2, 39484939), (13, 6074606), (26, 3037303), (89, 887302), (178, 443651), (1157, 68254), (2314, 34127)]