257281934

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{11131}}^1$

素因数の和:11280

約数の個数: 32

約数和(自身を含む): 478765056

約数和(自身を除く): 221483122

約数列:

[1, 2, 7, 13, 14, 26, 91, 127, 182, 254, 889, 1651, 1778, 3302, 11131, 11557, 22262, 23114, 77917, 144703, 155834, 289406, 1012921, 1413637, 2025842, 2827274, 9895459, 18377281, 19790918, 36754562, 128640967, 257281934]

約数ペア:

[(1, 257281934), (2, 128640967), (7, 36754562), (13, 19790918), (14, 18377281), (26, 9895459), (91, 2827274), (127, 2025842), (182, 1413637), (254, 1012921), (889, 289406), (1651, 155834), (1778, 144703), (3302, 77917), (11131, 23114), (11557, 22262)]