13947100

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:886

約数の個数: 36

約数和(自身を含む): 30454648

約数和(自身を除く): 16507548

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 422, 661, 844, 1055, 1322, 2110, 2644, 3305, 4220, 5275, 6610, 10550, 13220, 16525, 21100, 33050, 66100, 139471, 278942, 557884, 697355, 1394710, 2789420, 3486775, 6973550, 13947100]

約数ペア:

[(1, 13947100), (2, 6973550), (4, 3486775), (5, 2789420), (10, 1394710), (20, 697355), (25, 557884), (50, 278942), (100, 139471), (211, 66100), (422, 33050), (661, 21100), (844, 16525), (1055, 13220), (1322, 10550), (2110, 6610), (2644, 5275), (3305, 4220)]