28156518

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2154

約数の個数: 64

約数和(自身を含む): 70963200

約数和(自身を除く): 42806682

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1482, 2111, 2223, 4222, 4446, 6333, 6669, 12666, 13338, 18999, 27443, 37998, 40109, 54886, 56997, 80218, 82329, 113994, 120327, 164658, 240654, 246987, 360981, 493974, 521417, 721962, 740961, 1042834, 1082943, 1481922, 1564251, 2165886, 3128502, 4692753, 9385506, 14078259, 28156518]

約数ペア:

[(1, 28156518), (2, 14078259), (3, 9385506), (6, 4692753), (9, 3128502), (13, 2165886), (18, 1564251), (19, 1481922), (26, 1082943), (27, 1042834), (38, 740961), (39, 721962), (54, 521417), (57, 493974), (78, 360981), (114, 246987), (117, 240654), (171, 164658), (234, 120327), (247, 113994), (342, 82329), (351, 80218), (494, 56997), (513, 54886), (702, 40109), (741, 37998), (1026, 27443), (1482, 18999), (2111, 13338), (2223, 12666), (4222, 6669), (4446, 6333)]