221780692

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{416881}}^1$

素因数の和:416911

約数の個数: 24

約数和(自身を含む): 466907840

約数和(自身を除く): 245127148

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 416881, 833762, 1667524, 2918167, 5836334, 7920739, 11672668, 15841478, 31682956, 55445173, 110890346, 221780692]

約数ペア:

[(1, 221780692), (2, 110890346), (4, 55445173), (7, 31682956), (14, 15841478), (19, 11672668), (28, 7920739), (38, 5836334), (76, 2918167), (133, 1667524), (266, 833762), (532, 416881)]