16795405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 24820992

約数和(自身を除く): 8025587

約数列:

[1, 5, 11, 17, 23, 55, 71, 85, 115, 121, 187, 253, 355, 391, 605, 781, 935, 1207, 1265, 1633, 1955, 2057, 2783, 3905, 4301, 6035, 8165, 8591, 10285, 13277, 13915, 17963, 21505, 27761, 42955, 47311, 66385, 89815, 138805, 146047, 197593, 236555, 305371, 730235, 987965, 1526855, 3359081, 16795405]

約数ペア:

[(1, 16795405), (5, 3359081), (11, 1526855), (17, 987965), (23, 730235), (55, 305371), (71, 236555), (85, 197593), (115, 146047), (121, 138805), (187, 89815), (253, 66385), (355, 47311), (391, 42955), (605, 27761), (781, 21505), (935, 17963), (1207, 13915), (1265, 13277), (1633, 10285), (1955, 8591), (2057, 8165), (2783, 6035), (3905, 4301)]