311625392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1559}}^1$

素因数の和:1642

約数の個数: 60

約数和(自身を含む): 672300720

約数和(自身を除く): 360675328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 961, 1559, 1612, 1922, 3118, 3224, 3844, 6236, 6448, 7688, 12472, 12493, 15376, 20267, 24944, 24986, 40534, 48329, 49972, 81068, 96658, 99944, 162136, 193316, 199888, 324272, 386632, 628277, 773264, 1256554, 1498199, 2513108, 2996398, 5026216, 5992796, 10052432, 11985592, 19476587, 23971184, 38953174, 77906348, 155812696, 311625392]

約数ペア:

[(1, 311625392), (2, 155812696), (4, 77906348), (8, 38953174), (13, 23971184), (16, 19476587), (26, 11985592), (31, 10052432), (52, 5992796), (62, 5026216), (104, 2996398), (124, 2513108), (208, 1498199), (248, 1256554), (403, 773264), (496, 628277), (806, 386632), (961, 324272), (1559, 199888), (1612, 193316), (1922, 162136), (3118, 99944), (3224, 96658), (3844, 81068), (6236, 49972), (6448, 48329), (7688, 40534), (12472, 24986), (12493, 24944), (15376, 20267)]