81892142

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 131051520

約数和(自身を除く): 49159378

約数列:

[1, 2, 31, 47, 62, 94, 157, 179, 314, 358, 1457, 2914, 4867, 5549, 7379, 8413, 9734, 11098, 14758, 16826, 28103, 56206, 228749, 260803, 457498, 521606, 871193, 1320841, 1742386, 2641682, 40946071, 81892142]

約数ペア:

[(1, 81892142), (2, 40946071), (31, 2641682), (47, 1742386), (62, 1320841), (94, 871193), (157, 521606), (179, 457498), (314, 260803), (358, 228749), (1457, 56206), (2914, 28103), (4867, 16826), (5549, 14758), (7379, 11098), (8413, 9734)]