274917890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{39901}}^1$

素因数の和:39974

約数の個数: 32

約数和(自身を含む): 542986416

約数和(自身を除く): 268068526

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 39901, 79802, 199505, 399010, 518713, 1037426, 2114753, 2593565, 4229506, 5187130, 10573765, 21147530, 27491789, 54983578, 137458945, 274917890]

約数ペア:

[(1, 274917890), (2, 137458945), (5, 54983578), (10, 27491789), (13, 21147530), (26, 10573765), (53, 5187130), (65, 4229506), (106, 2593565), (130, 2114753), (265, 1037426), (530, 518713), (689, 399010), (1378, 199505), (3445, 79802), (6890, 39901)]