81927758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 139678560

約数和(自身を除く): 57750802

約数列:

[1, 2, 11, 22, 41, 61, 82, 122, 451, 671, 902, 1342, 1489, 2501, 2978, 5002, 16379, 27511, 32758, 55022, 61049, 90829, 122098, 181658, 671539, 999119, 1343078, 1998238, 3723989, 7447978, 40963879, 81927758]

約数ペア:

[(1, 81927758), (2, 40963879), (11, 7447978), (22, 3723989), (41, 1998238), (61, 1343078), (82, 999119), (122, 671539), (451, 181658), (671, 122098), (902, 90829), (1342, 61049), (1489, 55022), (2501, 32758), (2978, 27511), (5002, 16379)]