1997080981984

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{515775047}}^1$

素因数の和:515775079

約数の個数: 36

約数和(自身を含む): 4321679127192

約数和(自身を除く): 2324598145208

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 515775047, 1031550094, 2063100188, 4126200376, 5673525517, 8252400752, 11347051034, 16504801504, 22694102068, 45388204136, 62408780687, 90776408272, 124817561374, 181552816544, 249635122748, 499270245496, 998540490992, 1997080981984]

約数ペア:

[(1, 1997080981984), (2, 998540490992), (4, 499270245496), (8, 249635122748), (11, 181552816544), (16, 124817561374), (22, 90776408272), (32, 62408780687), (44, 45388204136), (88, 22694102068), (121, 16504801504), (176, 11347051034), (242, 8252400752), (352, 5673525517), (484, 4126200376), (968, 2063100188), (1936, 1031550094), (3872, 515775047)]