16215875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 23115456

約数和(自身を除く): 6899581

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 587, 1105, 1625, 2125, 2935, 5525, 7631, 9979, 14675, 27625, 38155, 49895, 73375, 129727, 190775, 249475, 648635, 953875, 1247375, 3243175, 16215875]

約数ペア:

[(1, 16215875), (5, 3243175), (13, 1247375), (17, 953875), (25, 648635), (65, 249475), (85, 190775), (125, 129727), (221, 73375), (325, 49895), (425, 38155), (587, 27625), (1105, 14675), (1625, 9979), (2125, 7631), (2935, 5525)]