81295116

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{19751}}^1$

素因数の和:19779

約数の個数: 48

約数和(自身を含む): 221222400

約数和(自身を除く): 139927284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 19751, 39502, 59253, 79004, 118506, 138257, 237012, 276514, 414771, 553028, 829542, 967799, 1659084, 1935598, 2903397, 3871196, 5806794, 6774593, 11613588, 13549186, 20323779, 27098372, 40647558, 81295116]

約数ペア:

[(1, 81295116), (2, 40647558), (3, 27098372), (4, 20323779), (6, 13549186), (7, 11613588), (12, 6774593), (14, 5806794), (21, 3871196), (28, 2903397), (42, 1935598), (49, 1659084), (84, 967799), (98, 829542), (147, 553028), (196, 414771), (294, 276514), (343, 237012), (588, 138257), (686, 118506), (1029, 79004), (1372, 59253), (2058, 39502), (4116, 19751)]