31689686

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 56339712

約数和(自身を除く): 24650026

約数列:

[1, 2, 7, 14, 37, 74, 131, 259, 262, 467, 518, 917, 934, 1834, 3269, 4847, 6538, 9694, 17279, 33929, 34558, 61177, 67858, 120953, 122354, 241906, 428239, 856478, 2263549, 4527098, 15844843, 31689686]

約数ペア:

[(1, 31689686), (2, 15844843), (7, 4527098), (14, 2263549), (37, 856478), (74, 428239), (131, 241906), (259, 122354), (262, 120953), (467, 67858), (518, 61177), (917, 34558), (934, 33929), (1834, 17279), (3269, 9694), (4847, 6538)]