68078725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 100618560

約数和(自身を除く): 32539835

約数列:

[1, 5, 11, 13, 25, 55, 65, 137, 139, 143, 275, 325, 685, 695, 715, 1507, 1529, 1781, 1807, 3425, 3475, 3575, 7535, 7645, 8905, 9035, 19043, 19591, 19877, 37675, 38225, 44525, 45175, 95215, 97955, 99385, 209473, 247559, 476075, 489775, 496925, 1047365, 1237795, 2723149, 5236825, 6188975, 13615745, 68078725]

約数ペア:

[(1, 68078725), (5, 13615745), (11, 6188975), (13, 5236825), (25, 2723149), (55, 1237795), (65, 1047365), (137, 496925), (139, 489775), (143, 476075), (275, 247559), (325, 209473), (685, 99385), (695, 97955), (715, 95215), (1507, 45175), (1529, 44525), (1781, 38225), (1807, 37675), (3425, 19877), (3475, 19591), (3575, 19043), (7535, 9035), (7645, 8905)]