12318625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 48

約数和(自身を含む): 18390528

約数和(自身を除く): 6071903

約数列:

[1, 5, 11, 17, 25, 31, 55, 85, 125, 155, 187, 275, 289, 341, 425, 527, 775, 935, 1375, 1445, 1705, 2125, 2635, 3179, 3875, 4675, 5797, 7225, 8525, 8959, 13175, 15895, 23375, 28985, 36125, 42625, 44795, 65875, 79475, 98549, 144925, 223975, 397375, 492745, 724625, 1119875, 2463725, 12318625]

約数ペア:

[(1, 12318625), (5, 2463725), (11, 1119875), (17, 724625), (25, 492745), (31, 397375), (55, 223975), (85, 144925), (125, 98549), (155, 79475), (187, 65875), (275, 44795), (289, 42625), (341, 36125), (425, 28985), (527, 23375), (775, 15895), (935, 13175), (1375, 8959), (1445, 8525), (1705, 7225), (2125, 5797), (2635, 4675), (3179, 3875)]