213297788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{61363}}^1$

素因数の和:61457

約数の個数: 24

約数和(自身を含む): 412366080

約数和(自身を除く): 199068292

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 61363, 122726, 245452, 674993, 1349986, 2699972, 4847677, 9695354, 19390708, 53324447, 106648894, 213297788]

約数ペア:

[(1, 213297788), (2, 106648894), (4, 53324447), (11, 19390708), (22, 9695354), (44, 4847677), (79, 2699972), (158, 1349986), (316, 674993), (869, 245452), (1738, 122726), (3476, 61363)]