390590452

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{449989}}^1$

素因数の和:450031

約数の個数: 24

約数和(自身を含む): 806382080

約数和(自身を除く): 415791628

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 449989, 899978, 1799956, 3149923, 6299846, 12599692, 13949659, 27899318, 55798636, 97647613, 195295226, 390590452]

約数ペア:

[(1, 390590452), (2, 195295226), (4, 97647613), (7, 55798636), (14, 27899318), (28, 13949659), (31, 12599692), (62, 6299846), (124, 3149923), (217, 1799956), (434, 899978), (868, 449989)]