1261891956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{218623}}^1$

素因数の和:218680

約数の個数: 48

約数和(自身を含む): 3256623104

約数和(自身を除く): 1994731148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 5772, 218623, 437246, 655869, 874492, 1311738, 2623476, 2842099, 5684198, 8089051, 8526297, 11368396, 16178102, 17052594, 24267153, 32356204, 34105188, 48534306, 97068612, 105157663, 210315326, 315472989, 420630652, 630945978, 1261891956]

約数ペア:

[(1, 1261891956), (2, 630945978), (3, 420630652), (4, 315472989), (6, 210315326), (12, 105157663), (13, 97068612), (26, 48534306), (37, 34105188), (39, 32356204), (52, 24267153), (74, 17052594), (78, 16178102), (111, 11368396), (148, 8526297), (156, 8089051), (222, 5684198), (444, 2842099), (481, 2623476), (962, 1311738), (1443, 874492), (1924, 655869), (2886, 437246), (5772, 218623)]