40431391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{239}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 54835200

約数和(自身を除く): 14403809

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 239, 1001, 1183, 1673, 1859, 2197, 2629, 3107, 13013, 15379, 18403, 21749, 24167, 34177, 40391, 169169, 239239, 282737, 444301, 525083, 3110107, 3675581, 5775913, 40431391]

約数ペア:

[(1, 40431391), (7, 5775913), (11, 3675581), (13, 3110107), (77, 525083), (91, 444301), (143, 282737), (169, 239239), (239, 169169), (1001, 40391), (1183, 34177), (1673, 24167), (1859, 21749), (2197, 18403), (2629, 15379), (3107, 13013)]