1388664

素因数分解:

$2^3\times 3^4\times {\mathrm{2143}}^1$

素因数の和:2161

約数の個数: 40

約数和(自身を含む): 3891360

約数和(自身を除く): 2502696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 2143, 4286, 6429, 8572, 12858, 17144, 19287, 25716, 38574, 51432, 57861, 77148, 115722, 154296, 173583, 231444, 347166, 462888, 694332, 1388664]

約数ペア:

[(1, 1388664), (2, 694332), (3, 462888), (4, 347166), (6, 231444), (8, 173583), (9, 154296), (12, 115722), (18, 77148), (24, 57861), (27, 51432), (36, 38574), (54, 25716), (72, 19287), (81, 17144), (108, 12858), (162, 8572), (216, 6429), (324, 4286), (648, 2143)]