25745168

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:383

約数の個数: 40

約数和(自身を含む): 51264576

約数和(自身を除く): 25519408

約数列:

[1, 2, 4, 8, 16, 71, 131, 142, 173, 262, 284, 346, 524, 568, 692, 1048, 1136, 1384, 2096, 2768, 9301, 12283, 18602, 22663, 24566, 37204, 45326, 49132, 74408, 90652, 98264, 148816, 181304, 196528, 362608, 1609073, 3218146, 6436292, 12872584, 25745168]

約数ペア:

[(1, 25745168), (2, 12872584), (4, 6436292), (8, 3218146), (16, 1609073), (71, 362608), (131, 196528), (142, 181304), (173, 148816), (262, 98264), (284, 90652), (346, 74408), (524, 49132), (568, 45326), (692, 37204), (1048, 24566), (1136, 22663), (1384, 18602), (2096, 12283), (2768, 9301)]