388677908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{13147}}^1$

素因数の和:13559

約数の個数: 24

約数和(自身を含む): 717880800

約数和(自身を除く): 329202892

約数列:

[1, 2, 4, 19, 38, 76, 389, 778, 1556, 7391, 13147, 14782, 26294, 29564, 52588, 249793, 499586, 999172, 5114183, 10228366, 20456732, 97169477, 194338954, 388677908]

約数ペア:

[(1, 388677908), (2, 194338954), (4, 97169477), (19, 20456732), (38, 10228366), (76, 5114183), (389, 999172), (778, 499586), (1556, 249793), (7391, 52588), (13147, 29564), (14782, 26294)]