128228016

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{381631}}^1$

素因数の和:381649

約数の個数: 40

約数和(自身を含む): 378578944

約数和(自身を除く): 250350928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 381631, 763262, 1144893, 1526524, 2289786, 2671417, 3053048, 4579572, 5342834, 6106096, 8014251, 9159144, 10685668, 16028502, 18318288, 21371336, 32057004, 42742672, 64114008, 128228016]

約数ペア:

[(1, 128228016), (2, 64114008), (3, 42742672), (4, 32057004), (6, 21371336), (7, 18318288), (8, 16028502), (12, 10685668), (14, 9159144), (16, 8014251), (21, 6106096), (24, 5342834), (28, 4579572), (42, 3053048), (48, 2671417), (56, 2289786), (84, 1526524), (112, 1144893), (168, 763262), (336, 381631)]