81961726

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31307}}^1$

素因数の和:31344

約数の個数: 32

約数和(自身を含む): 162300672

約数和(自身を除く): 80338946

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 31307, 62614, 219149, 344377, 438298, 532219, 688754, 1064438, 2410639, 3725533, 4821278, 5854409, 7451066, 11708818, 40980863, 81961726]

約数ペア:

[(1, 81961726), (2, 40980863), (7, 11708818), (11, 7451066), (14, 5854409), (17, 4821278), (22, 3725533), (34, 2410639), (77, 1064438), (119, 688754), (154, 532219), (187, 438298), (238, 344377), (374, 219149), (1309, 62614), (2618, 31307)]