51485278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 86375520

約数和(自身を除く): 34890242

約数列:

[1, 2, 13, 26, 37, 74, 109, 218, 481, 491, 962, 982, 1417, 2834, 4033, 6383, 8066, 12766, 18167, 36334, 52429, 53519, 104858, 107038, 236171, 472342, 695747, 1391494, 1980203, 3960406, 25742639, 51485278]

約数ペア:

[(1, 51485278), (2, 25742639), (13, 3960406), (26, 1980203), (37, 1391494), (74, 695747), (109, 472342), (218, 236171), (481, 107038), (491, 104858), (962, 53519), (982, 52429), (1417, 36334), (2834, 18167), (4033, 12766), (6383, 8066)]