28678738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 49248000

約数和(自身を除く): 20569262

約数列:

[1, 2, 11, 22, 29, 58, 79, 158, 319, 569, 638, 869, 1138, 1738, 2291, 4582, 6259, 12518, 16501, 25201, 33002, 44951, 50402, 89902, 181511, 363022, 494461, 988922, 1303579, 2607158, 14339369, 28678738]

約数ペア:

[(1, 28678738), (2, 14339369), (11, 2607158), (22, 1303579), (29, 988922), (58, 494461), (79, 363022), (158, 181511), (319, 89902), (569, 50402), (638, 44951), (869, 33002), (1138, 25201), (1738, 16501), (2291, 12518), (4582, 6259)]