68728751

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 87964800

約数和(自身を除く): 19236049

約数列:

[1, 7, 13, 41, 91, 109, 169, 287, 533, 763, 1183, 1417, 2197, 3731, 4469, 6929, 9919, 15379, 18421, 31283, 48503, 58097, 90077, 128947, 239473, 406679, 630539, 755261, 1676311, 5286827, 9818393, 68728751]

約数ペア:

[(1, 68728751), (7, 9818393), (13, 5286827), (41, 1676311), (91, 755261), (109, 630539), (169, 406679), (287, 239473), (533, 128947), (763, 90077), (1183, 58097), (1417, 48503), (2197, 31283), (3731, 18421), (4469, 15379), (6929, 9919)]