28949128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1609}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 58829400

約数和(自身を除く): 29880272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 173, 346, 692, 1384, 1609, 2249, 3218, 4498, 6436, 8996, 12872, 17992, 20917, 41834, 83668, 167336, 278357, 556714, 1113428, 2226856, 3618641, 7237282, 14474564, 28949128]

約数ペア:

[(1, 28949128), (2, 14474564), (4, 7237282), (8, 3618641), (13, 2226856), (26, 1113428), (52, 556714), (104, 278357), (173, 167336), (346, 83668), (692, 41834), (1384, 20917), (1609, 17992), (2249, 12872), (3218, 8996), (4498, 6436)]