2177830

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2447}}^1$

素因数の和:2543

約数の個数: 16

約数和(自身を含む): 3965760

約数和(自身を除く): 1787930

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2447, 4894, 12235, 24470, 217783, 435566, 1088915, 2177830]

約数ペア:

[(1, 2177830), (2, 1088915), (5, 435566), (10, 217783), (89, 24470), (178, 12235), (445, 4894), (890, 2447)]