78248745

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 144892800

約数和(自身を除く): 66644055

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 71, 95, 171, 213, 285, 355, 639, 855, 1065, 1289, 1349, 3195, 3867, 4047, 6445, 6745, 11601, 12141, 19335, 20235, 24491, 58005, 60705, 73473, 91519, 122455, 220419, 274557, 367365, 457595, 823671, 1102095, 1372785, 1738861, 4118355, 5216583, 8694305, 15649749, 26082915, 78248745]

約数ペア:

[(1, 78248745), (3, 26082915), (5, 15649749), (9, 8694305), (15, 5216583), (19, 4118355), (45, 1738861), (57, 1372785), (71, 1102095), (95, 823671), (171, 457595), (213, 367365), (285, 274557), (355, 220419), (639, 122455), (855, 91519), (1065, 73473), (1289, 60705), (1349, 58005), (3195, 24491), (3867, 20235), (4047, 19335), (6445, 12141), (6745, 11601)]