207354815

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 268240896

約数和(自身を除く): 60886081

約数列:

[1, 5, 31, 43, 53, 155, 215, 265, 587, 1333, 1643, 2279, 2935, 6665, 8215, 11395, 18197, 25241, 31111, 70649, 90985, 126205, 155555, 353245, 782471, 964441, 1337773, 3912355, 4822205, 6688865, 41470963, 207354815]

約数ペア:

[(1, 207354815), (5, 41470963), (31, 6688865), (43, 4822205), (53, 3912355), (155, 1337773), (215, 964441), (265, 782471), (587, 353245), (1333, 155555), (1643, 126205), (2279, 90985), (2935, 70649), (6665, 31111), (8215, 25241), (11395, 18197)]