661152004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{123997}}^1$

素因数の和:124075

約数の個数: 24

約数和(自身を含む): 1222124288

約数和(自身を除く): 560972284

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 172, 1333, 2666, 5332, 123997, 247994, 495988, 3843907, 5331871, 7687814, 10663742, 15375628, 21327484, 165288001, 330576002, 661152004]

約数ペア:

[(1, 661152004), (2, 330576002), (4, 165288001), (31, 21327484), (43, 15375628), (62, 10663742), (86, 7687814), (124, 5331871), (172, 3843907), (1333, 495988), (2666, 247994), (5332, 123997)]