208575444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{20521}}^1$

素因数の和:20557

約数の個数: 72

約数和(自身を含む): 611391424

約数和(自身を除く): 402815980

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2541, 3388, 5082, 10164, 20521, 41042, 61563, 82084, 123126, 143647, 225731, 246252, 287294, 430941, 451462, 574588, 677193, 861882, 902924, 1354386, 1580117, 1723764, 2483041, 2708772, 3160234, 4740351, 4966082, 6320468, 7449123, 9480702, 9932164, 14898246, 17381287, 18961404, 29796492, 34762574, 52143861, 69525148, 104287722, 208575444]

約数ペア:

[(1, 208575444), (2, 104287722), (3, 69525148), (4, 52143861), (6, 34762574), (7, 29796492), (11, 18961404), (12, 17381287), (14, 14898246), (21, 9932164), (22, 9480702), (28, 7449123), (33, 6320468), (42, 4966082), (44, 4740351), (66, 3160234), (77, 2708772), (84, 2483041), (121, 1723764), (132, 1580117), (154, 1354386), (231, 902924), (242, 861882), (308, 677193), (363, 574588), (462, 451462), (484, 430941), (726, 287294), (847, 246252), (924, 225731), (1452, 143647), (1694, 123126), (2541, 82084), (3388, 61563), (5082, 41042), (10164, 20521)]