78628165

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1559}}^1$

素因数の和:1713

約数の個数: 32

約数和(自身を含む): 118609920

約数和(自身を除く): 39981755

約数列:

[1, 5, 7, 11, 35, 55, 77, 131, 385, 655, 917, 1441, 1559, 4585, 7205, 7795, 10087, 10913, 17149, 50435, 54565, 85745, 120043, 204229, 600215, 1021145, 1429603, 2246519, 7148015, 11232595, 15725633, 78628165]

約数ペア:

[(1, 78628165), (5, 15725633), (7, 11232595), (11, 7148015), (35, 2246519), (55, 1429603), (77, 1021145), (131, 600215), (385, 204229), (655, 120043), (917, 85745), (1441, 54565), (1559, 50435), (4585, 17149), (7205, 10913), (7795, 10087)]