25780328

素因数分解:

$2^3\times 7^1\times {\mathrm{613}}^1\times {\mathrm{751}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 55407360

約数和(自身を除く): 29627032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 613, 751, 1226, 1502, 2452, 3004, 4291, 4904, 5257, 6008, 8582, 10514, 17164, 21028, 34328, 42056, 460363, 920726, 1841452, 3222541, 3682904, 6445082, 12890164, 25780328]

約数ペア:

[(1, 25780328), (2, 12890164), (4, 6445082), (7, 3682904), (8, 3222541), (14, 1841452), (28, 920726), (56, 460363), (613, 42056), (751, 34328), (1226, 21028), (1502, 17164), (2452, 10514), (3004, 8582), (4291, 6008), (4904, 5257)]