81143146

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 143585280

約数和(自身を除く): 62442134

約数列:

[1, 2, 7, 14, 37, 74, 259, 383, 409, 518, 766, 818, 2681, 2863, 5362, 5726, 14171, 15133, 28342, 30266, 99197, 105931, 156647, 198394, 211862, 313294, 1096529, 2193058, 5795939, 11591878, 40571573, 81143146]

約数ペア:

[(1, 81143146), (2, 40571573), (7, 11591878), (14, 5795939), (37, 2193058), (74, 1096529), (259, 313294), (383, 211862), (409, 198394), (518, 156647), (766, 105931), (818, 99197), (2681, 30266), (2863, 28342), (5362, 15133), (5726, 14171)]