256745988

素因数分解:

$2^2\times 3^2\times {\mathrm{1319}}^1\times {\mathrm{5407}}^1$

素因数の和:6736

約数の個数: 36

約数和(自身を含む): 649608960

約数和(自身を除く): 392862972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1319, 2638, 3957, 5276, 5407, 7914, 10814, 11871, 15828, 16221, 21628, 23742, 32442, 47484, 48663, 64884, 97326, 194652, 7131833, 14263666, 21395499, 28527332, 42790998, 64186497, 85581996, 128372994, 256745988]

約数ペア:

[(1, 256745988), (2, 128372994), (3, 85581996), (4, 64186497), (6, 42790998), (9, 28527332), (12, 21395499), (18, 14263666), (36, 7131833), (1319, 194652), (2638, 97326), (3957, 64884), (5276, 48663), (5407, 47484), (7914, 32442), (10814, 23742), (11871, 21628), (15828, 16221)]