123299888

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{86587}}^1$

素因数の和:86684

約数の個数: 20

約数和(自身を含む): 241580520

約数和(自身を除く): 118280632

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 86587, 173174, 346348, 692696, 1385392, 7706243, 15412486, 30824972, 61649944, 123299888]

約数ペア:

[(1, 123299888), (2, 61649944), (4, 30824972), (8, 15412486), (16, 7706243), (89, 1385392), (178, 692696), (356, 346348), (712, 173174), (1424, 86587)]