28000016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6917}}^1$

素因数の和:6959

約数の個数: 40

約数和(自身を含む): 61763904

約数和(自身を除く): 33763888

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 6917, 13834, 27668, 55336, 76087, 110672, 152174, 159091, 304348, 318182, 608696, 636364, 1217392, 1272728, 1750001, 2545456, 3500002, 7000004, 14000008, 28000016]

約数ペア:

[(1, 28000016), (2, 14000008), (4, 7000004), (8, 3500002), (11, 2545456), (16, 1750001), (22, 1272728), (23, 1217392), (44, 636364), (46, 608696), (88, 318182), (92, 304348), (176, 159091), (184, 152174), (253, 110672), (368, 76087), (506, 55336), (1012, 27668), (2024, 13834), (4048, 6917)]