31688986

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 61166016

約数和(自身を除く): 29477030

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 49, 98, 119, 161, 238, 322, 391, 782, 827, 833, 1127, 1654, 1666, 2254, 2737, 5474, 5789, 11578, 14059, 19021, 19159, 28118, 38042, 38318, 40523, 81046, 98413, 133147, 196826, 266294, 323357, 646714, 688891, 932029, 1377782, 1864058, 2263499, 4526998, 15844493, 31688986]

約数ペア:

[(1, 31688986), (2, 15844493), (7, 4526998), (14, 2263499), (17, 1864058), (23, 1377782), (34, 932029), (46, 688891), (49, 646714), (98, 323357), (119, 266294), (161, 196826), (238, 133147), (322, 98413), (391, 81046), (782, 40523), (827, 38318), (833, 38042), (1127, 28118), (1654, 19159), (1666, 19021), (2254, 14059), (2737, 11578), (5474, 5789)]