278375990

素因数分解:

$2^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{28669}}^1$

素因数の和:29647

約数の個数: 16

約数和(自身を含む): 501610320

約数和(自身を除く): 223234330

約数列:

[1, 2, 5, 10, 971, 1942, 4855, 9710, 28669, 57338, 143345, 286690, 27837599, 55675198, 139187995, 278375990]

約数ペア:

[(1, 278375990), (2, 139187995), (5, 55675198), (10, 27837599), (971, 286690), (1942, 143345), (4855, 57338), (9710, 28669)]