66868490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{17737}}^1$

素因数の和:17786

約数の個数: 32

約数和(自身を含む): 134099280

約数和(自身を除く): 67230790

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 17737, 35474, 88685, 177370, 230581, 461162, 514373, 1028746, 1152905, 2305810, 2571865, 5143730, 6686849, 13373698, 33434245, 66868490]

約数ペア:

[(1, 66868490), (2, 33434245), (5, 13373698), (10, 6686849), (13, 5143730), (26, 2571865), (29, 2305810), (58, 1152905), (65, 1028746), (130, 514373), (145, 461162), (290, 230581), (377, 177370), (754, 88685), (1885, 35474), (3770, 17737)]