78607564

素因数分解:

$2^2\times 7^2\times {\mathrm{389}}^1\times {\mathrm{1031}}^1$

素因数の和:1438

約数の個数: 36

約数和(自身を含む): 160589520

約数和(自身を除く): 81981956

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 389, 778, 1031, 1556, 2062, 2723, 4124, 5446, 7217, 10892, 14434, 19061, 28868, 38122, 50519, 76244, 101038, 202076, 401059, 802118, 1604236, 2807413, 5614826, 11229652, 19651891, 39303782, 78607564]

約数ペア:

[(1, 78607564), (2, 39303782), (4, 19651891), (7, 11229652), (14, 5614826), (28, 2807413), (49, 1604236), (98, 802118), (196, 401059), (389, 202076), (778, 101038), (1031, 76244), (1556, 50519), (2062, 38122), (2723, 28868), (4124, 19061), (5446, 14434), (7217, 10892)]