1561208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 3242160

約数和(自身を除く): 1680952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 157, 226, 314, 452, 628, 904, 1243, 1256, 1727, 2486, 3454, 4972, 6908, 9944, 13816, 17741, 35482, 70964, 141928, 195151, 390302, 780604, 1561208]

約数ペア:

[(1, 1561208), (2, 780604), (4, 390302), (8, 195151), (11, 141928), (22, 70964), (44, 35482), (88, 17741), (113, 13816), (157, 9944), (226, 6908), (314, 4972), (452, 3454), (628, 2486), (904, 1727), (1243, 1256)]