1271161825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 1726429680

約数和(自身を除く): 455267855

約数列:

[1, 5, 17, 25, 37, 85, 185, 229, 353, 425, 629, 925, 1145, 1765, 3145, 3893, 5725, 6001, 8473, 8825, 13061, 15725, 19465, 30005, 42365, 65305, 80837, 97325, 144041, 150025, 211825, 222037, 326525, 404185, 720205, 1110185, 1374229, 2020925, 2990969, 3601025, 5550925, 6871145, 14954845, 34355725, 50846473, 74774225, 254232365, 1271161825]

約数ペア:

[(1, 1271161825), (5, 254232365), (17, 74774225), (25, 50846473), (37, 34355725), (85, 14954845), (185, 6871145), (229, 5550925), (353, 3601025), (425, 2990969), (629, 2020925), (925, 1374229), (1145, 1110185), (1765, 720205), (3145, 404185), (3893, 326525), (5725, 222037), (6001, 211825), (8473, 150025), (8825, 144041), (13061, 97325), (15725, 80837), (19465, 65305), (30005, 42365)]