280979426

素因数分解:

$2^1\times 7^5\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 530357184

約数和(自身を除く): 249377758

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 643, 686, 1274, 1286, 2401, 4459, 4501, 4802, 8359, 8918, 9002, 16718, 16807, 31213, 31507, 33614, 58513, 62426, 63014, 117026, 218491, 220549, 409591, 436982, 441098, 819182, 1543843, 2867137, 3087686, 5734274, 10806901, 20069959, 21613802, 40139918, 140489713, 280979426]

約数ペア:

[(1, 280979426), (2, 140489713), (7, 40139918), (13, 21613802), (14, 20069959), (26, 10806901), (49, 5734274), (91, 3087686), (98, 2867137), (182, 1543843), (343, 819182), (637, 441098), (643, 436982), (686, 409591), (1274, 220549), (1286, 218491), (2401, 117026), (4459, 63014), (4501, 62426), (4802, 58513), (8359, 33614), (8918, 31507), (9002, 31213), (16718, 16807)]