81758810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{4441}}^1$

素因数の和:4718

約数の個数: 32

約数和(自身を含む): 168867072

約数和(自身を除く): 87108262

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 1315, 1841, 2630, 3682, 4441, 8882, 9205, 18410, 22205, 31087, 44410, 62174, 155435, 310870, 1167983, 2335966, 5839915, 8175881, 11679830, 16351762, 40879405, 81758810]

約数ペア:

[(1, 81758810), (2, 40879405), (5, 16351762), (7, 11679830), (10, 8175881), (14, 5839915), (35, 2335966), (70, 1167983), (263, 310870), (526, 155435), (1315, 62174), (1841, 44410), (2630, 31087), (3682, 22205), (4441, 18410), (8882, 9205)]