64940434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 107606016

約数和(自身を除く): 42665582

約数列:

[1, 2, 13, 26, 71, 127, 142, 254, 277, 554, 923, 1651, 1846, 3302, 3601, 7202, 9017, 18034, 19667, 35179, 39334, 70358, 117221, 234442, 255671, 457327, 511342, 914654, 2497709, 4995418, 32470217, 64940434]

約数ペア:

[(1, 64940434), (2, 32470217), (13, 4995418), (26, 2497709), (71, 914654), (127, 511342), (142, 457327), (254, 255671), (277, 234442), (554, 117221), (923, 70358), (1651, 39334), (1846, 35179), (3302, 19667), (3601, 18034), (7202, 9017)]