13921775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 21427200

約数和(自身を除く): 7505425

約数列:

[1, 5, 7, 19, 25, 35, 53, 79, 95, 133, 175, 265, 371, 395, 475, 553, 665, 1007, 1325, 1501, 1855, 1975, 2765, 3325, 4187, 5035, 7049, 7505, 9275, 10507, 13825, 20935, 25175, 29309, 35245, 37525, 52535, 79553, 104675, 146545, 176225, 262675, 397765, 556871, 732725, 1988825, 2784355, 13921775]

約数ペア:

[(1, 13921775), (5, 2784355), (7, 1988825), (19, 732725), (25, 556871), (35, 397765), (53, 262675), (79, 176225), (95, 146545), (133, 104675), (175, 79553), (265, 52535), (371, 37525), (395, 35245), (475, 29309), (553, 25175), (665, 20935), (1007, 13825), (1325, 10507), (1501, 9275), (1855, 7505), (1975, 7049), (2765, 5035), (3325, 4187)]