12917870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 27751248

約数和(自身を除く): 14833378

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 643, 1286, 1435, 2009, 2870, 3215, 4018, 4501, 6430, 9002, 10045, 20090, 22505, 26363, 31507, 45010, 52726, 63014, 131815, 157535, 184541, 263630, 315070, 369082, 922705, 1291787, 1845410, 2583574, 6458935, 12917870]

約数ペア:

[(1, 12917870), (2, 6458935), (5, 2583574), (7, 1845410), (10, 1291787), (14, 922705), (35, 369082), (41, 315070), (49, 263630), (70, 184541), (82, 157535), (98, 131815), (205, 63014), (245, 52726), (287, 45010), (410, 31507), (490, 26363), (574, 22505), (643, 20090), (1286, 10045), (1435, 9002), (2009, 6430), (2870, 4501), (3215, 4018)]