31123112

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 59740200

約数和(自身を除く): 28617088

約数列:

[1, 2, 4, 8, 73, 137, 146, 274, 292, 389, 548, 584, 778, 1096, 1556, 3112, 10001, 20002, 28397, 40004, 53293, 56794, 80008, 106586, 113588, 213172, 227176, 426344, 3890389, 7780778, 15561556, 31123112]

約数ペア:

[(1, 31123112), (2, 15561556), (4, 7780778), (8, 3890389), (73, 426344), (137, 227176), (146, 213172), (274, 113588), (292, 106586), (389, 80008), (548, 56794), (584, 53293), (778, 40004), (1096, 28397), (1556, 20002), (3112, 10001)]