66438605

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 86261760

約数和(自身を除く): 19823155

約数列:

[1, 5, 23, 71, 79, 103, 115, 355, 395, 515, 1633, 1817, 2369, 5609, 7313, 8137, 8165, 9085, 11845, 28045, 36565, 40685, 129007, 168199, 187151, 577727, 645035, 840995, 935755, 2888635, 13287721, 66438605]

約数ペア:

[(1, 66438605), (5, 13287721), (23, 2888635), (71, 935755), (79, 840995), (103, 645035), (115, 577727), (355, 187151), (395, 168199), (515, 129007), (1633, 40685), (1817, 36565), (2369, 28045), (5609, 11845), (7313, 9085), (8137, 8165)]