22486639

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 27378240

約数和(自身を除く): 4891601

約数列:

[1, 7, 37, 49, 79, 157, 259, 553, 1099, 1813, 2923, 3871, 5809, 7693, 12403, 20461, 40663, 86821, 143227, 284641, 458911, 607747, 3212377, 22486639]

約数ペア:

[(1, 22486639), (7, 3212377), (37, 607747), (49, 458911), (79, 284641), (157, 143227), (259, 86821), (553, 40663), (1099, 20461), (1813, 12403), (2923, 7693), (3871, 5809)]