2155657

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 24

約数和(自身を含む): 2729160

約数和(自身を除く): 573503

約数列:

[1, 7, 29, 37, 41, 49, 203, 259, 287, 1073, 1189, 1421, 1517, 1813, 2009, 7511, 8323, 10619, 43993, 52577, 58261, 74333, 307951, 2155657]

約数ペア:

[(1, 2155657), (7, 307951), (29, 74333), (37, 58261), (41, 52577), (49, 43993), (203, 10619), (259, 8323), (287, 7511), (1073, 2009), (1189, 1813), (1421, 1517)]