157216930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1213}}^1$

素因数の和:2230

約数の個数: 32

約数和(自身を含む): 305316144

約数和(自身を除く): 148099214

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 997, 1213, 1994, 2426, 4985, 6065, 9970, 12130, 12961, 15769, 25922, 31538, 64805, 78845, 129610, 157690, 1209361, 2418722, 6046805, 12093610, 15721693, 31443386, 78608465, 157216930]

約数ペア:

[(1, 157216930), (2, 78608465), (5, 31443386), (10, 15721693), (13, 12093610), (26, 6046805), (65, 2418722), (130, 1209361), (997, 157690), (1213, 129610), (1994, 78845), (2426, 64805), (4985, 31538), (6065, 25922), (9970, 15769), (12130, 12961)]