261774786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{479441}}^1$

素因数の和:479466

約数の個数: 32

約数和(自身を含む): 644370048

約数和(自身を除く): 382595262

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 479441, 958882, 1438323, 2876646, 3356087, 6232733, 6712174, 10068261, 12465466, 18698199, 20136522, 37396398, 43629131, 87258262, 130887393, 261774786]

約数ペア:

[(1, 261774786), (2, 130887393), (3, 87258262), (6, 43629131), (7, 37396398), (13, 20136522), (14, 18698199), (21, 12465466), (26, 10068261), (39, 6712174), (42, 6232733), (78, 3356087), (91, 2876646), (182, 1438323), (273, 958882), (546, 479441)]