51396709

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 65995776

約数和(自身を除く): 14599067

約数列:

[1, 7, 13, 47, 61, 91, 197, 329, 427, 611, 793, 1379, 2561, 2867, 4277, 5551, 9259, 12017, 17927, 20069, 37271, 64813, 84119, 120367, 156221, 260897, 564799, 842569, 1093547, 3953593, 7342387, 51396709]

約数ペア:

[(1, 51396709), (7, 7342387), (13, 3953593), (47, 1093547), (61, 842569), (91, 564799), (197, 260897), (329, 156221), (427, 120367), (611, 84119), (793, 64813), (1379, 37271), (2561, 20069), (2867, 17927), (4277, 12017), (5551, 9259)]