211780495888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{16691401}}^1$

素因数の和:16691483

約数の個数: 40

約数和(自身を含む): 449132245016

約数和(自身を除く): 237351749128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 16691401, 33382802, 66765604, 133531208, 216988213, 267062416, 433976426, 867952852, 1018175461, 1735905704, 2036350922, 3471811408, 4072701844, 8145403688, 13236280993, 16290807376, 26472561986, 52945123972, 105890247944, 211780495888]

約数ペア:

[(1, 211780495888), (2, 105890247944), (4, 52945123972), (8, 26472561986), (13, 16290807376), (16, 13236280993), (26, 8145403688), (52, 4072701844), (61, 3471811408), (104, 2036350922), (122, 1735905704), (208, 1018175461), (244, 867952852), (488, 433976426), (793, 267062416), (976, 216988213), (1586, 133531208), (3172, 66765604), (6344, 33382802), (12688, 16691401)]