81959983

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 95040000

約数和(自身を除く): 13080017

約数列:

[1, 7, 149, 179, 439, 1043, 1253, 3073, 26671, 65411, 78581, 186697, 457877, 550067, 11708569, 81959983]

約数ペア:

[(1, 81959983), (7, 11708569), (149, 550067), (179, 457877), (439, 186697), (1043, 78581), (1253, 65411), (3073, 26671)]