400495256

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{117241}}^1$

素因数の和:117315

約数の個数: 32

約数和(自身を含む): 872280480

約数和(自身を除く): 471785224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 117241, 234482, 468964, 820687, 937928, 1641374, 3282748, 6565496, 7151701, 14303402, 28606804, 50061907, 57213608, 100123814, 200247628, 400495256]

約数ペア:

[(1, 400495256), (2, 200247628), (4, 100123814), (7, 57213608), (8, 50061907), (14, 28606804), (28, 14303402), (56, 7151701), (61, 6565496), (122, 3282748), (244, 1641374), (427, 937928), (488, 820687), (854, 468964), (1708, 234482), (3416, 117241)]