227978394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{20639}}^1$

素因数の和:20914

約数の個数: 32

約数和(自身を含む): 523100160

約数和(自身を除く): 295121766

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 263, 526, 789, 1578, 1841, 3682, 5523, 11046, 20639, 41278, 61917, 123834, 144473, 288946, 433419, 866838, 5428057, 10856114, 16284171, 32568342, 37996399, 75992798, 113989197, 227978394]

約数ペア:

[(1, 227978394), (2, 113989197), (3, 75992798), (6, 37996399), (7, 32568342), (14, 16284171), (21, 10856114), (42, 5428057), (263, 866838), (526, 433419), (789, 288946), (1578, 144473), (1841, 123834), (3682, 61917), (5523, 41278), (11046, 20639)]