261520236

素因数分解:

$2^2\times 3^2\times {\mathrm{1019}}^1\times {\mathrm{7129}}^1$

素因数の和:8158

約数の個数: 36

約数和(自身を含む): 661806600

約数和(自身を除く): 400286364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1019, 2038, 3057, 4076, 6114, 7129, 9171, 12228, 14258, 18342, 21387, 28516, 36684, 42774, 64161, 85548, 128322, 256644, 7264451, 14528902, 21793353, 29057804, 43586706, 65380059, 87173412, 130760118, 261520236]

約数ペア:

[(1, 261520236), (2, 130760118), (3, 87173412), (4, 65380059), (6, 43586706), (9, 29057804), (12, 21793353), (18, 14528902), (36, 7264451), (1019, 256644), (2038, 128322), (3057, 85548), (4076, 64161), (6114, 42774), (7129, 36684), (9171, 28516), (12228, 21387), (14258, 18342)]