263177590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{4057}}^1$

素因数の和:4576

約数の個数: 32

約数和(自身を含む): 511308000

約数和(自身を除く): 248130410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 499, 998, 2495, 4057, 4990, 6487, 8114, 12974, 20285, 32435, 40570, 52741, 64870, 105482, 263705, 527410, 2024443, 4048886, 10122215, 20244430, 26317759, 52635518, 131588795, 263177590]

約数ペア:

[(1, 263177590), (2, 131588795), (5, 52635518), (10, 26317759), (13, 20244430), (26, 10122215), (65, 4048886), (130, 2024443), (499, 527410), (998, 263705), (2495, 105482), (4057, 64870), (4990, 52741), (6487, 40570), (8114, 32435), (12974, 20285)]