278317072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{2467}}^1$

素因数の和:3127

約数の個数: 40

約数和(自身を含む): 589417632

約数和(自身を除く): 311100560

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 641, 1282, 2467, 2564, 4934, 5128, 7051, 9868, 10256, 14102, 19736, 27137, 28204, 39472, 54274, 56408, 108548, 112816, 217096, 434192, 1581347, 3162694, 6325388, 12650776, 17394817, 25301552, 34789634, 69579268, 139158536, 278317072]

約数ペア:

[(1, 278317072), (2, 139158536), (4, 69579268), (8, 34789634), (11, 25301552), (16, 17394817), (22, 12650776), (44, 6325388), (88, 3162694), (176, 1581347), (641, 434192), (1282, 217096), (2467, 112816), (2564, 108548), (4934, 56408), (5128, 54274), (7051, 39472), (9868, 28204), (10256, 27137), (14102, 19736)]