64636984

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{991}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 125706240

約数和(自身を除く): 61069256

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 263, 526, 991, 1052, 1982, 2104, 3964, 7928, 8153, 16306, 30721, 32612, 61442, 65224, 122884, 245768, 260633, 521266, 1042532, 2085064, 8079623, 16159246, 32318492, 64636984]

約数ペア:

[(1, 64636984), (2, 32318492), (4, 16159246), (8, 8079623), (31, 2085064), (62, 1042532), (124, 521266), (248, 260633), (263, 245768), (526, 122884), (991, 65224), (1052, 61442), (1982, 32612), (2104, 30721), (3964, 16306), (7928, 8153)]