1278989874

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{3061}}^1$

素因数の和:3375

約数の個数: 48

約数和(自身を含む): 2808711360

約数和(自身を除く): 1529721486

約数列:

[1, 2, 3, 6, 9, 18, 139, 167, 278, 334, 417, 501, 834, 1002, 1251, 1503, 2502, 3006, 3061, 6122, 9183, 18366, 23213, 27549, 46426, 55098, 69639, 139278, 208917, 417834, 425479, 511187, 850958, 1022374, 1276437, 1533561, 2552874, 3067122, 3829311, 4600683, 7658622, 9201366, 71054993, 142109986, 213164979, 426329958, 639494937, 1278989874]

約数ペア:

[(1, 1278989874), (2, 639494937), (3, 426329958), (6, 213164979), (9, 142109986), (18, 71054993), (139, 9201366), (167, 7658622), (278, 4600683), (334, 3829311), (417, 3067122), (501, 2552874), (834, 1533561), (1002, 1276437), (1251, 1022374), (1503, 850958), (2502, 511187), (3006, 425479), (3061, 417834), (6122, 208917), (9183, 139278), (18366, 69639), (23213, 55098), (27549, 46426)]