201405685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 267321600

約数和(自身を除く): 65915915

約数列:

[1, 5, 13, 65, 67, 103, 335, 449, 515, 871, 1339, 2245, 4355, 5837, 6695, 6901, 29185, 30083, 34505, 46247, 89713, 150415, 231235, 391079, 448565, 601211, 1955395, 3006055, 3098549, 15492745, 40281137, 201405685]

約数ペア:

[(1, 201405685), (5, 40281137), (13, 15492745), (65, 3098549), (67, 3006055), (103, 1955395), (335, 601211), (449, 448565), (515, 391079), (871, 231235), (1339, 150415), (2245, 89713), (4355, 46247), (5837, 34505), (6695, 30083), (6901, 29185)]