640322676

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{2540963}}^1$

素因数の和:2540980

約数の個数: 36

約数和(自身を含む): 1849821792

約数和(自身を除く): 1209499116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 2540963, 5081926, 7622889, 10163852, 15245778, 17786741, 22868667, 30491556, 35573482, 45737334, 53360223, 71146964, 91474668, 106720446, 160080669, 213440892, 320161338, 640322676]

約数ペア:

[(1, 640322676), (2, 320161338), (3, 213440892), (4, 160080669), (6, 106720446), (7, 91474668), (9, 71146964), (12, 53360223), (14, 45737334), (18, 35573482), (21, 30491556), (28, 22868667), (36, 17786741), (42, 15245778), (63, 10163852), (84, 7622889), (126, 5081926), (252, 2540963)]