311213772

素因数分解:

$2^2\times 3^3\times {\mathrm{139}}^1\times {\mathrm{20731}}^1$

素因数の和:20883

約数の個数: 48

約数和(自身を含む): 812694400

約数和(自身を除く): 501480628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 139, 278, 417, 556, 834, 1251, 1668, 2502, 3753, 5004, 7506, 15012, 20731, 41462, 62193, 82924, 124386, 186579, 248772, 373158, 559737, 746316, 1119474, 2238948, 2881609, 5763218, 8644827, 11526436, 17289654, 25934481, 34579308, 51868962, 77803443, 103737924, 155606886, 311213772]

約数ペア:

[(1, 311213772), (2, 155606886), (3, 103737924), (4, 77803443), (6, 51868962), (9, 34579308), (12, 25934481), (18, 17289654), (27, 11526436), (36, 8644827), (54, 5763218), (108, 2881609), (139, 2238948), (278, 1119474), (417, 746316), (556, 559737), (834, 373158), (1251, 248772), (1668, 186579), (2502, 124386), (3753, 82924), (5004, 62193), (7506, 41462), (15012, 20731)]