201548575

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{887}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 256010400

約数和(自身を除く): 54461825

約数列:

[1, 5, 25, 61, 149, 305, 745, 887, 1525, 3725, 4435, 9089, 22175, 45445, 54107, 132163, 227225, 270535, 660815, 1352675, 3304075, 8061943, 40309715, 201548575]

約数ペア:

[(1, 201548575), (5, 40309715), (25, 8061943), (61, 3304075), (149, 1352675), (305, 660815), (745, 270535), (887, 227225), (1525, 132163), (3725, 54107), (4435, 45445), (9089, 22175)]