127846940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491719}}^1$

素因数の和:491741

約数の個数: 24

約数和(自身を含む): 289131360

約数和(自身を除く): 161284420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 491719, 983438, 1966876, 2458595, 4917190, 6392347, 9834380, 12784694, 25569388, 31961735, 63923470, 127846940]

約数ペア:

[(1, 127846940), (2, 63923470), (4, 31961735), (5, 25569388), (10, 12784694), (13, 9834380), (20, 6392347), (26, 4917190), (52, 2458595), (65, 1966876), (130, 983438), (260, 491719)]