209298889715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{311807}}^1$

素因数の和:312031

約数の個数: 32

約数和(自身を含む): 272769638400

約数和(自身を除く): 63470748685

約数列:

[1, 5, 17, 53, 85, 149, 265, 745, 901, 2533, 4505, 7897, 12665, 39485, 134249, 311807, 671245, 1559035, 5300719, 16525771, 26503595, 46459243, 82628855, 232296215, 280938107, 789807131, 1404690535, 2462339879, 3949035655, 12311699395, 41859777943, 209298889715]

約数ペア:

[(1, 209298889715), (5, 41859777943), (17, 12311699395), (53, 3949035655), (85, 2462339879), (149, 1404690535), (265, 789807131), (745, 280938107), (901, 232296215), (2533, 82628855), (4505, 46459243), (7897, 26503595), (12665, 16525771), (39485, 5300719), (134249, 1559035), (311807, 671245)]