81686344

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{829}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 156123000

約数和(自身を除く): 74436656

約数列:

[1, 2, 4, 8, 109, 113, 218, 226, 436, 452, 829, 872, 904, 1658, 3316, 6632, 12317, 24634, 49268, 90361, 93677, 98536, 180722, 187354, 361444, 374708, 722888, 749416, 10210793, 20421586, 40843172, 81686344]

約数ペア:

[(1, 81686344), (2, 40843172), (4, 20421586), (8, 10210793), (109, 749416), (113, 722888), (218, 374708), (226, 361444), (436, 187354), (452, 180722), (829, 98536), (872, 93677), (904, 90361), (1658, 49268), (3316, 24634), (6632, 12317)]