15685870

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 28986048

約数和(自身を除く): 13300178

約数列:

[1, 2, 5, 10, 97, 103, 157, 194, 206, 314, 485, 515, 785, 970, 1030, 1570, 9991, 15229, 16171, 19982, 30458, 32342, 49955, 76145, 80855, 99910, 152290, 161710, 1568587, 3137174, 7842935, 15685870]

約数ペア:

[(1, 15685870), (2, 7842935), (5, 3137174), (10, 1568587), (97, 161710), (103, 152290), (157, 99910), (194, 80855), (206, 76145), (314, 49955), (485, 32342), (515, 30458), (785, 19982), (970, 16171), (1030, 15229), (1570, 9991)]