389236

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 729344

約数和(自身を除く): 340108

約数列:

[1, 2, 4, 31, 43, 62, 73, 86, 124, 146, 172, 292, 1333, 2263, 2666, 3139, 4526, 5332, 6278, 9052, 12556, 97309, 194618, 389236]

約数ペア:

[(1, 389236), (2, 194618), (4, 97309), (31, 12556), (43, 9052), (62, 6278), (73, 5332), (86, 4526), (124, 3139), (146, 2666), (172, 2263), (292, 1333)]