778848460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2995571}}^1$

素因数の和:2995593

約数の個数: 24

約数和(自身を含む): 1761396336

約数和(自身を除く): 982547876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2995571, 5991142, 11982284, 14977855, 29955710, 38942423, 59911420, 77884846, 155769692, 194712115, 389424230, 778848460]

約数ペア:

[(1, 778848460), (2, 389424230), (4, 194712115), (5, 155769692), (10, 77884846), (13, 59911420), (20, 38942423), (26, 29955710), (52, 14977855), (65, 11982284), (130, 5991142), (260, 2995571)]