990756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 2828280

約数和(自身を除く): 1837524

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 73, 78, 87, 116, 117, 146, 156, 174, 219, 234, 261, 292, 348, 377, 438, 468, 522, 657, 754, 876, 949, 1044, 1131, 1314, 1508, 1898, 2117, 2262, 2628, 2847, 3393, 3796, 4234, 4524, 5694, 6351, 6786, 8468, 8541, 11388, 12702, 13572, 17082, 19053, 25404, 27521, 34164, 38106, 55042, 76212, 82563, 110084, 165126, 247689, 330252, 495378, 990756]

約数ペア:

[(1, 990756), (2, 495378), (3, 330252), (4, 247689), (6, 165126), (9, 110084), (12, 82563), (13, 76212), (18, 55042), (26, 38106), (29, 34164), (36, 27521), (39, 25404), (52, 19053), (58, 17082), (73, 13572), (78, 12702), (87, 11388), (116, 8541), (117, 8468), (146, 6786), (156, 6351), (174, 5694), (219, 4524), (234, 4234), (261, 3796), (292, 3393), (348, 2847), (377, 2628), (438, 2262), (468, 2117), (522, 1898), (657, 1508), (754, 1314), (876, 1131), (949, 1044)]