168538195

素因数分解:

$5^1\times 7^4\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 40

約数和(自身を含む): 239989680

約数和(自身を除く): 71451485

約数列:

[1, 5, 7, 35, 49, 101, 139, 245, 343, 505, 695, 707, 973, 1715, 2401, 3535, 4865, 4949, 6811, 12005, 14039, 24745, 34055, 34643, 47677, 70195, 98273, 173215, 238385, 242501, 333739, 491365, 687911, 1212505, 1668695, 3439555, 4815377, 24076885, 33707639, 168538195]

約数ペア:

[(1, 168538195), (5, 33707639), (7, 24076885), (35, 4815377), (49, 3439555), (101, 1668695), (139, 1212505), (245, 687911), (343, 491365), (505, 333739), (695, 242501), (707, 238385), (973, 173215), (1715, 98273), (2401, 70195), (3535, 47677), (4865, 34643), (4949, 34055), (6811, 24745), (12005, 14039)]