138607510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{5387}}^1$

素因数の和:5508

約数の個数: 32

約数和(自身を含む): 260692992

約数和(自身を除く): 122085482

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 2573, 5146, 5387, 10774, 12865, 25730, 26935, 53870, 166997, 333994, 447121, 834985, 894242, 1669970, 2235605, 4471210, 13860751, 27721502, 69303755, 138607510]

約数ペア:

[(1, 138607510), (2, 69303755), (5, 27721502), (10, 13860751), (31, 4471210), (62, 2235605), (83, 1669970), (155, 894242), (166, 834985), (310, 447121), (415, 333994), (830, 166997), (2573, 53870), (5146, 26935), (5387, 25730), (10774, 12865)]