31781178

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12347}}^1$

素因数の和:12379

約数の個数: 48

約数和(自身を含む): 80904096

約数和(自身を除く): 49122918

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 12347, 24694, 37041, 74082, 111123, 135817, 160511, 222246, 271634, 321022, 407451, 481533, 814902, 963066, 1222353, 1444599, 1765621, 2444706, 2889198, 3531242, 5296863, 10593726, 15890589, 31781178]

約数ペア:

[(1, 31781178), (2, 15890589), (3, 10593726), (6, 5296863), (9, 3531242), (11, 2889198), (13, 2444706), (18, 1765621), (22, 1444599), (26, 1222353), (33, 963066), (39, 814902), (66, 481533), (78, 407451), (99, 321022), (117, 271634), (143, 222246), (198, 160511), (234, 135817), (286, 111123), (429, 74082), (858, 37041), (1287, 24694), (2574, 12347)]