12666745

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 19707408

約数和(自身を除く): 7040663

約数列:

[1, 5, 7, 13, 35, 41, 49, 65, 91, 97, 205, 245, 287, 455, 485, 533, 637, 679, 1261, 1435, 2009, 2665, 3185, 3395, 3731, 3977, 4753, 6305, 8827, 10045, 18655, 19885, 23765, 26117, 27839, 44135, 51701, 61789, 130585, 139195, 194873, 258505, 308945, 361907, 974365, 1809535, 2533349, 12666745]

約数ペア:

[(1, 12666745), (5, 2533349), (7, 1809535), (13, 974365), (35, 361907), (41, 308945), (49, 258505), (65, 194873), (91, 139195), (97, 130585), (205, 61789), (245, 51701), (287, 44135), (455, 27839), (485, 26117), (533, 23765), (637, 19885), (679, 18655), (1261, 10045), (1435, 8827), (2009, 6305), (2665, 4753), (3185, 3977), (3395, 3731)]