28247990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{367}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 52462080

約数和(自身を除く): 24214090

約数列:

[1, 2, 5, 10, 43, 86, 179, 215, 358, 367, 430, 734, 895, 1790, 1835, 3670, 7697, 15394, 15781, 31562, 38485, 65693, 76970, 78905, 131386, 157810, 328465, 656930, 2824799, 5649598, 14123995, 28247990]

約数ペア:

[(1, 28247990), (2, 14123995), (5, 5649598), (10, 2824799), (43, 656930), (86, 328465), (179, 157810), (215, 131386), (358, 78905), (367, 76970), (430, 65693), (734, 38485), (895, 31562), (1790, 15781), (1835, 15394), (3670, 7697)]