201931505

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 255744000

約数和(自身を除く): 53812495

約数列:

[1, 5, 47, 73, 79, 149, 235, 365, 395, 745, 3431, 3713, 5767, 7003, 10877, 11771, 17155, 18565, 28835, 35015, 54385, 58855, 271049, 511219, 553237, 859283, 1355245, 2556095, 2766185, 4296415, 40386301, 201931505]

約数ペア:

[(1, 201931505), (5, 40386301), (47, 4296415), (73, 2766185), (79, 2556095), (149, 1355245), (235, 859283), (365, 553237), (395, 511219), (745, 271049), (3431, 58855), (3713, 54385), (5767, 35015), (7003, 28835), (10877, 18565), (11771, 17155)]