64871690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{877}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 126115920

約数和(自身を除く): 61244230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 569, 877, 1138, 1754, 2845, 4385, 5690, 7397, 8770, 11401, 14794, 22802, 36985, 57005, 73970, 114010, 499013, 998026, 2495065, 4990130, 6487169, 12974338, 32435845, 64871690]

約数ペア:

[(1, 64871690), (2, 32435845), (5, 12974338), (10, 6487169), (13, 4990130), (26, 2495065), (65, 998026), (130, 499013), (569, 114010), (877, 73970), (1138, 57005), (1754, 36985), (2845, 22802), (4385, 14794), (5690, 11401), (7397, 8770)]