172139905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{683}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 249523200

約数和(自身を除く): 77383295

約数列:

[1, 5, 7, 19, 35, 95, 133, 379, 665, 683, 1895, 2653, 3415, 4781, 7201, 12977, 13265, 23905, 36005, 50407, 64885, 90839, 252035, 258857, 454195, 1294285, 1811999, 4918283, 9059995, 24591415, 34427981, 172139905]

約数ペア:

[(1, 172139905), (5, 34427981), (7, 24591415), (19, 9059995), (35, 4918283), (95, 1811999), (133, 1294285), (379, 454195), (665, 258857), (683, 252035), (1895, 90839), (2653, 64885), (3415, 50407), (4781, 36005), (7201, 23905), (12977, 13265)]