218979752

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{2687}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 419973120

約数和(自身を除く): 200993368

約数列:

[1, 2, 4, 8, 61, 122, 167, 244, 334, 488, 668, 1336, 2687, 5374, 10187, 10748, 20374, 21496, 40748, 81496, 163907, 327814, 448729, 655628, 897458, 1311256, 1794916, 3589832, 27372469, 54744938, 109489876, 218979752]

約数ペア:

[(1, 218979752), (2, 109489876), (4, 54744938), (8, 27372469), (61, 3589832), (122, 1794916), (167, 1311256), (244, 897458), (334, 655628), (488, 448729), (668, 327814), (1336, 163907), (2687, 81496), (5374, 40748), (10187, 21496), (10748, 20374)]