28557564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3119}}^1$

素因数の和:3242

約数の個数: 48

約数和(自身を含む): 76876800

約数和(自身を除く): 48319236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2289, 3052, 3119, 4578, 6238, 9156, 9357, 12476, 18714, 21833, 37428, 43666, 65499, 87332, 130998, 261996, 339971, 679942, 1019913, 1359884, 2039826, 2379797, 4079652, 4759594, 7139391, 9519188, 14278782, 28557564]

約数ペア:

[(1, 28557564), (2, 14278782), (3, 9519188), (4, 7139391), (6, 4759594), (7, 4079652), (12, 2379797), (14, 2039826), (21, 1359884), (28, 1019913), (42, 679942), (84, 339971), (109, 261996), (218, 130998), (327, 87332), (436, 65499), (654, 43666), (763, 37428), (1308, 21833), (1526, 18714), (2289, 12476), (3052, 9357), (3119, 9156), (4578, 6238)]