81712262

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 129548160

約数和(自身を除く): 47835898

約数列:

[1, 2, 41, 67, 82, 107, 134, 139, 214, 278, 2747, 4387, 5494, 5699, 7169, 8774, 9313, 11398, 14338, 14873, 18626, 29746, 293929, 381833, 587858, 609793, 763666, 996491, 1219586, 1992982, 40856131, 81712262]

約数ペア:

[(1, 81712262), (2, 40856131), (41, 1992982), (67, 1219586), (82, 996491), (107, 763666), (134, 609793), (139, 587858), (214, 381833), (278, 293929), (2747, 29746), (4387, 18626), (5494, 14873), (5699, 14338), (7169, 11398), (8774, 9313)]