81890102

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 145281600

約数和(自身を除く): 63391498

約数列:

[1, 2, 7, 14, 37, 74, 149, 259, 298, 518, 1043, 1061, 2086, 2122, 5513, 7427, 11026, 14854, 38591, 39257, 77182, 78514, 158089, 274799, 316178, 549598, 1106623, 2213246, 5849293, 11698586, 40945051, 81890102]

約数ペア:

[(1, 81890102), (2, 40945051), (7, 11698586), (14, 5849293), (37, 2213246), (74, 1106623), (149, 549598), (259, 316178), (298, 274799), (518, 158089), (1043, 78514), (1061, 77182), (2086, 39257), (2122, 38591), (5513, 14854), (7427, 11026)]