211681730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{56149}}^1$

素因数の和:56198

約数の個数: 32

約数和(自身を含む): 424494000

約数和(自身を除く): 212812270

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 56149, 112298, 280745, 561490, 729937, 1459874, 1628321, 3256642, 3649685, 7299370, 8141605, 16283210, 21168173, 42336346, 105840865, 211681730]

約数ペア:

[(1, 211681730), (2, 105840865), (5, 42336346), (10, 21168173), (13, 16283210), (26, 8141605), (29, 7299370), (58, 3649685), (65, 3256642), (130, 1628321), (145, 1459874), (290, 729937), (377, 561490), (754, 280745), (1885, 112298), (3770, 56149)]