31415390

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 57788640

約数和(自身を除く): 26373250

約数列:

[1, 2, 5, 10, 97, 139, 194, 233, 278, 466, 485, 695, 970, 1165, 1390, 2330, 13483, 22601, 26966, 32387, 45202, 64774, 67415, 113005, 134830, 161935, 226010, 323870, 3141539, 6283078, 15707695, 31415390]

約数ペア:

[(1, 31415390), (2, 15707695), (5, 6283078), (10, 3141539), (97, 323870), (139, 226010), (194, 161935), (233, 134830), (278, 113005), (466, 67415), (485, 64774), (695, 45202), (970, 32387), (1165, 26966), (1390, 22601), (2330, 13483)]