71665712

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{26821}}^1$

素因数の和:26996

約数の個数: 20

約数和(自身を含む): 139688976

約数和(自身を除く): 68023264

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 26821, 53642, 107284, 214568, 429136, 4479107, 8958214, 17916428, 35832856, 71665712]

約数ペア:

[(1, 71665712), (2, 35832856), (4, 17916428), (8, 8958214), (16, 4479107), (167, 429136), (334, 214568), (668, 107284), (1336, 53642), (2672, 26821)]