31690984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{661}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 64227240

約数和(自身を除く): 32536256

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 461, 661, 922, 1322, 1844, 2644, 3688, 5288, 5993, 8593, 11986, 17186, 23972, 34372, 47944, 68744, 304721, 609442, 1218884, 2437768, 3961373, 7922746, 15845492, 31690984]

約数ペア:

[(1, 31690984), (2, 15845492), (4, 7922746), (8, 3961373), (13, 2437768), (26, 1218884), (52, 609442), (104, 304721), (461, 68744), (661, 47944), (922, 34372), (1322, 23972), (1844, 17186), (2644, 11986), (3688, 8593), (5288, 5993)]