61219990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6451}}^1$

素因数の和:6544

約数の個数: 32

約数和(自身を含む): 120316896

約数和(自身を除く): 59096906

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 6451, 9490, 12902, 32255, 64510, 83863, 167726, 419315, 470923, 838630, 941846, 2354615, 4709230, 6121999, 12243998, 30609995, 61219990]

約数ペア:

[(1, 61219990), (2, 30609995), (5, 12243998), (10, 6121999), (13, 4709230), (26, 2354615), (65, 941846), (73, 838630), (130, 470923), (146, 419315), (365, 167726), (730, 83863), (949, 64510), (1898, 32255), (4745, 12902), (6451, 9490)]