156721487

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1823}}^1$

素因数の和:2242

約数の個数: 16

約数和(自身を含む): 179262720

約数和(自身を除く): 22541233

約数列:

[1, 13, 17, 221, 389, 1823, 5057, 6613, 23699, 30991, 85969, 402883, 709147, 9218911, 12055499, 156721487]

約数ペア:

[(1, 156721487), (13, 12055499), (17, 9218911), (221, 709147), (389, 402883), (1823, 85969), (5057, 30991), (6613, 23699)]