218368007

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 272160000

約数和(自身を除く): 53791993

約数列:

[1, 11, 13, 19, 143, 179, 209, 247, 449, 1969, 2327, 2717, 3401, 4939, 5837, 8531, 25597, 37411, 44213, 64207, 80371, 93841, 110903, 486343, 884081, 1044823, 1219933, 1527049, 11493053, 16797539, 19851637, 218368007]

約数ペア:

[(1, 218368007), (11, 19851637), (13, 16797539), (19, 11493053), (143, 1527049), (179, 1219933), (209, 1044823), (247, 884081), (449, 486343), (1969, 110903), (2327, 93841), (2717, 80371), (3401, 64207), (4939, 44213), (5837, 37411), (8531, 25597)]