218935156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 428779008

約数和(自身を除く): 209843852

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 223, 421, 446, 583, 842, 892, 1166, 1684, 2332, 2453, 4631, 4906, 9262, 9812, 11819, 18524, 22313, 23638, 44626, 47276, 89252, 93883, 130009, 187766, 245443, 260018, 375532, 490886, 520036, 981772, 1032713, 2065426, 4130852, 4975799, 9951598, 19903196, 54733789, 109467578, 218935156]

約数ペア:

[(1, 218935156), (2, 109467578), (4, 54733789), (11, 19903196), (22, 9951598), (44, 4975799), (53, 4130852), (106, 2065426), (212, 1032713), (223, 981772), (421, 520036), (446, 490886), (583, 375532), (842, 260018), (892, 245443), (1166, 187766), (1684, 130009), (2332, 93883), (2453, 89252), (4631, 47276), (4906, 44626), (9262, 23638), (9812, 22313), (11819, 18524)]