311935390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{983}}^1\times {\mathrm{2441}}^1$

素因数の和:3444

約数の個数: 32

約数和(自身を含む): 605537856

約数和(自身を除く): 293602466

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 983, 1966, 2441, 4882, 4915, 9830, 12205, 12779, 24410, 25558, 31733, 63466, 63895, 127790, 158665, 317330, 2399503, 4799006, 11997515, 23995030, 31193539, 62387078, 155967695, 311935390]

約数ペア:

[(1, 311935390), (2, 155967695), (5, 62387078), (10, 31193539), (13, 23995030), (26, 11997515), (65, 4799006), (130, 2399503), (983, 317330), (1966, 158665), (2441, 127790), (4882, 63895), (4915, 63466), (9830, 31733), (12205, 25558), (12779, 24410)]