778858340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2995609}}^1$

素因数の和:2995631

約数の個数: 24

約数和(自身を含む): 1761418680

約数和(自身を除く): 982560340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2995609, 5991218, 11982436, 14978045, 29956090, 38942917, 59912180, 77885834, 155771668, 194714585, 389429170, 778858340]

約数ペア:

[(1, 778858340), (2, 389429170), (4, 194714585), (5, 155771668), (10, 77885834), (13, 59912180), (20, 38942917), (26, 29956090), (52, 14978045), (65, 11982436), (130, 5991218), (260, 2995609)]