389664236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{757}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 775524960

約数和(自身を除く): 385860724

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 521, 757, 988, 1042, 1514, 2084, 3028, 6773, 9841, 9899, 13546, 14383, 19682, 19798, 27092, 28766, 39364, 39596, 57532, 128687, 186979, 257374, 373958, 394397, 514748, 747916, 788794, 1577588, 5127161, 7493543, 10254322, 14987086, 20508644, 29974172, 97416059, 194832118, 389664236]

約数ペア:

[(1, 389664236), (2, 194832118), (4, 97416059), (13, 29974172), (19, 20508644), (26, 14987086), (38, 10254322), (52, 7493543), (76, 5127161), (247, 1577588), (494, 788794), (521, 747916), (757, 514748), (988, 394397), (1042, 373958), (1514, 257374), (2084, 186979), (3028, 128687), (6773, 57532), (9841, 39596), (9899, 39364), (13546, 28766), (14383, 27092), (19682, 19798)]