81156796

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{29881}}^1$

素因数の和:29989

約数の個数: 24

約数和(自身を含む): 163992416

約数和(自身を除く): 82835620

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 29881, 59762, 119524, 209167, 418334, 836668, 2898457, 5796914, 11593828, 20289199, 40578398, 81156796]

約数ペア:

[(1, 81156796), (2, 40578398), (4, 20289199), (7, 11593828), (14, 5796914), (28, 2898457), (97, 836668), (194, 418334), (388, 209167), (679, 119524), (1358, 59762), (2716, 29881)]