257346576

素因数分解:

$2^4\times 3^2\times {\mathrm{1787129}}^1$

素因数の和:1787143

約数の個数: 30

約数和(自身を含む): 720213390

約数和(自身を除く): 462866814

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1787129, 3574258, 5361387, 7148516, 10722774, 14297032, 16084161, 21445548, 28594064, 32168322, 42891096, 64336644, 85782192, 128673288, 257346576]

約数ペア:

[(1, 257346576), (2, 128673288), (3, 85782192), (4, 64336644), (6, 42891096), (8, 32168322), (9, 28594064), (12, 21445548), (16, 16084161), (18, 14297032), (24, 10722774), (36, 7148516), (48, 5361387), (72, 3574258), (144, 1787129)]