31304021

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 40227840

約数和(自身を除く): 8923819

約数列:

[1, 7, 17, 29, 47, 119, 193, 203, 329, 493, 799, 1351, 1363, 3281, 3451, 5593, 5597, 9071, 9541, 22967, 23171, 39179, 63497, 95149, 154207, 162197, 263059, 666043, 1079449, 1841413, 4472003, 31304021]

約数ペア:

[(1, 31304021), (7, 4472003), (17, 1841413), (29, 1079449), (47, 666043), (119, 263059), (193, 162197), (203, 154207), (329, 95149), (493, 63497), (799, 39179), (1351, 23171), (1363, 22967), (3281, 9541), (3451, 9071), (5593, 5597)]