159902015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{769}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 236987520

約数和(自身を除く): 77085505

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 457, 769, 2285, 3199, 3845, 5383, 5941, 9997, 15995, 26915, 29705, 41587, 49985, 69979, 207935, 349895, 351433, 1757165, 2460031, 4568629, 12300155, 22843145, 31980403, 159902015]

約数ペア:

[(1, 159902015), (5, 31980403), (7, 22843145), (13, 12300155), (35, 4568629), (65, 2460031), (91, 1757165), (455, 351433), (457, 349895), (769, 207935), (2285, 69979), (3199, 49985), (3845, 41587), (5383, 29705), (5941, 26915), (9997, 15995)]