218984909

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 270950400

約数和(自身を除く): 51965491

約数列:

[1, 11, 13, 23, 139, 143, 253, 299, 479, 1529, 1807, 3197, 3289, 5269, 6227, 11017, 19877, 35167, 41561, 66581, 68497, 121187, 143221, 457171, 732391, 865553, 1531363, 1575431, 9521083, 16844993, 19907719, 218984909]

約数ペア:

[(1, 218984909), (11, 19907719), (13, 16844993), (23, 9521083), (139, 1575431), (143, 1531363), (253, 865553), (299, 732391), (479, 457171), (1529, 143221), (1807, 121187), (3197, 68497), (3289, 66581), (5269, 41561), (6227, 35167), (11017, 19877)]