81431434

素因数分解:

$2^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{6343}}^1$

素因数の和:6490

約数の個数: 24

約数和(自身を含む): 143196768

約数和(自身を除く): 61765334

約数列:

[1, 2, 7, 14, 49, 98, 131, 262, 917, 1834, 6343, 6419, 12686, 12838, 44401, 88802, 310807, 621614, 830933, 1661866, 5816531, 11633062, 40715717, 81431434]

約数ペア:

[(1, 81431434), (2, 40715717), (7, 11633062), (14, 5816531), (49, 1661866), (98, 830933), (131, 621614), (262, 310807), (917, 88802), (1834, 44401), (6343, 12838), (6419, 12686)]