221964764

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{417227}}^1$

素因数の和:417257

約数の個数: 24

約数和(自身を含む): 467295360

約数和(自身を除く): 245330596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 417227, 834454, 1668908, 2920589, 5841178, 7927313, 11682356, 15854626, 31709252, 55491191, 110982382, 221964764]

約数ペア:

[(1, 221964764), (2, 110982382), (4, 55491191), (7, 31709252), (14, 15854626), (19, 11682356), (28, 7927313), (38, 5841178), (76, 2920589), (133, 1668908), (266, 834454), (532, 417227)]