28756884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{547}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 72607808

約数和(自身を除く): 43850924

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 337, 547, 674, 1011, 1094, 1348, 1641, 2022, 2188, 3282, 4044, 4381, 6564, 7111, 8762, 13143, 14222, 17524, 21333, 26286, 28444, 42666, 52572, 85332, 184339, 368678, 553017, 737356, 1106034, 2212068, 2396407, 4792814, 7189221, 9585628, 14378442, 28756884]

約数ペア:

[(1, 28756884), (2, 14378442), (3, 9585628), (4, 7189221), (6, 4792814), (12, 2396407), (13, 2212068), (26, 1106034), (39, 737356), (52, 553017), (78, 368678), (156, 184339), (337, 85332), (547, 52572), (674, 42666), (1011, 28444), (1094, 26286), (1348, 21333), (1641, 17524), (2022, 14222), (2188, 13143), (3282, 8762), (4044, 7111), (4381, 6564)]