201220279

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 243794880

約数和(自身を除く): 42574601

約数列:

[1, 13, 17, 19, 173, 221, 247, 277, 323, 2249, 2941, 3287, 3601, 4199, 4709, 5263, 38233, 42731, 47921, 55879, 61217, 68419, 89471, 622973, 726427, 814657, 910499, 1163123, 10590541, 11836487, 15478483, 201220279]

約数ペア:

[(1, 201220279), (13, 15478483), (17, 11836487), (19, 10590541), (173, 1163123), (221, 910499), (247, 814657), (277, 726427), (323, 622973), (2249, 89471), (2941, 68419), (3287, 61217), (3601, 55879), (4199, 47921), (4709, 42731), (5263, 38233)]