213965857

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 264625920

約数和(自身を除く): 50660063

約数列:

[1, 7, 29, 37, 61, 203, 259, 427, 467, 1073, 1769, 2257, 3269, 7511, 12383, 13543, 15799, 17279, 28487, 65453, 94801, 120953, 199409, 458171, 501091, 826123, 1054019, 3507637, 5782861, 7378133, 30566551, 213965857]

約数ペア:

[(1, 213965857), (7, 30566551), (29, 7378133), (37, 5782861), (61, 3507637), (203, 1054019), (259, 826123), (427, 501091), (467, 458171), (1073, 199409), (1769, 120953), (2257, 94801), (3269, 65453), (7511, 28487), (12383, 17279), (13543, 15799)]