206905168

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{887}}^1$

素因数の和:1195

約数の個数: 40

約数和(自身を含む): 409616640

約数和(自身を除く): 202711472

約数列:

[1, 2, 4, 8, 16, 61, 122, 239, 244, 478, 488, 887, 956, 976, 1774, 1912, 3548, 3824, 7096, 14192, 14579, 29158, 54107, 58316, 108214, 116632, 211993, 216428, 233264, 423986, 432856, 847972, 865712, 1695944, 3391888, 12931573, 25863146, 51726292, 103452584, 206905168]

約数ペア:

[(1, 206905168), (2, 103452584), (4, 51726292), (8, 25863146), (16, 12931573), (61, 3391888), (122, 1695944), (239, 865712), (244, 847972), (478, 432856), (488, 423986), (887, 233264), (956, 216428), (976, 211993), (1774, 116632), (1912, 108214), (3548, 58316), (3824, 54107), (7096, 29158), (14192, 14579)]