668878730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{11161}}^1$

素因数の和:11642

約数の個数: 32

約数和(自身を含む): 1299524688

約数和(自身を除く): 630645958

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 461, 922, 2305, 4610, 5993, 11161, 11986, 22322, 29965, 55805, 59930, 111610, 145093, 290186, 725465, 1450930, 5145221, 10290442, 25726105, 51452210, 66887873, 133775746, 334439365, 668878730]

約数ペア:

[(1, 668878730), (2, 334439365), (5, 133775746), (10, 66887873), (13, 51452210), (26, 25726105), (65, 10290442), (130, 5145221), (461, 1450930), (922, 725465), (2305, 290186), (4610, 145093), (5993, 111610), (11161, 59930), (11986, 55805), (22322, 29965)]