128458764

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{169919}}^1$

素因数の和:169939

約数の個数: 48

約数和(自身を含む): 380620800

約数和(自身を除く): 252162036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 169919, 339838, 509757, 679676, 1019514, 1189433, 1529271, 2039028, 2378866, 3058542, 3568299, 4587813, 4757732, 6117084, 7136598, 9175626, 10704897, 14273196, 18351252, 21409794, 32114691, 42819588, 64229382, 128458764]

約数ペア:

[(1, 128458764), (2, 64229382), (3, 42819588), (4, 32114691), (6, 21409794), (7, 18351252), (9, 14273196), (12, 10704897), (14, 9175626), (18, 7136598), (21, 6117084), (27, 4757732), (28, 4587813), (36, 3568299), (42, 3058542), (54, 2378866), (63, 2039028), (84, 1529271), (108, 1189433), (126, 1019514), (189, 679676), (252, 509757), (378, 339838), (756, 169919)]