25001308

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 45151344

約数和(自身を除く): 20150036

約数列:

[1, 2, 4, 41, 82, 157, 164, 314, 628, 971, 1942, 3884, 6437, 12874, 25748, 39811, 79622, 152447, 159244, 304894, 609788, 6250327, 12500654, 25001308]

約数ペア:

[(1, 25001308), (2, 12500654), (4, 6250327), (41, 609788), (82, 304894), (157, 159244), (164, 152447), (314, 79622), (628, 39811), (971, 25748), (1942, 12874), (3884, 6437)]