13478725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 18297440

約数和(自身を除く): 4818715

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 619, 871, 1675, 3095, 4355, 8047, 15475, 21775, 40235, 41473, 201175, 207365, 539149, 1036825, 2695745, 13478725]

約数ペア:

[(1, 13478725), (5, 2695745), (13, 1036825), (25, 539149), (65, 207365), (67, 201175), (325, 41473), (335, 40235), (619, 21775), (871, 15475), (1675, 8047), (3095, 4355)]