81570190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{27281}}^1$

素因数の和:27324

約数の個数: 32

約数和(自身を含む): 165001536

約数和(自身を除く): 83431346

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 27281, 54562, 136405, 272810, 354653, 627463, 709306, 1254926, 1773265, 3137315, 3546530, 6274630, 8157019, 16314038, 40785095, 81570190]

約数ペア:

[(1, 81570190), (2, 40785095), (5, 16314038), (10, 8157019), (13, 6274630), (23, 3546530), (26, 3137315), (46, 1773265), (65, 1254926), (115, 709306), (130, 627463), (230, 354653), (299, 272810), (598, 136405), (1495, 54562), (2990, 27281)]