256984956

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{375709}}^1$

素因数の和:375738

約数の個数: 36

約数和(自身を含む): 683792200

約数和(自身を除く): 426807244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 375709, 751418, 1127127, 1502836, 2254254, 3381381, 4508508, 6762762, 7138471, 13525524, 14276942, 21415413, 28553884, 42830826, 64246239, 85661652, 128492478, 256984956]

約数ペア:

[(1, 256984956), (2, 128492478), (3, 85661652), (4, 64246239), (6, 42830826), (9, 28553884), (12, 21415413), (18, 14276942), (19, 13525524), (36, 7138471), (38, 6762762), (57, 4508508), (76, 3381381), (114, 2254254), (171, 1502836), (228, 1127127), (342, 751418), (684, 375709)]