287331070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{15901}}^1$

素因数の和:16060

約数の個数: 32

約数和(自身を含む): 561022560

約数和(自身を除く): 273691490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 9035, 15901, 18070, 31802, 79505, 159010, 206713, 413426, 1033565, 2067130, 2210239, 4420478, 11051195, 22102390, 28733107, 57466214, 143665535, 287331070]

約数ペア:

[(1, 287331070), (2, 143665535), (5, 57466214), (10, 28733107), (13, 22102390), (26, 11051195), (65, 4420478), (130, 2210239), (139, 2067130), (278, 1033565), (695, 413426), (1390, 206713), (1807, 159010), (3614, 79505), (9035, 31802), (15901, 18070)]