397841235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1327}}^1$

素因数の和:1448

約数の個数: 64

約数和(自身を含む): 734330880

約数和(自身を除く): 336489645

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 79, 115, 165, 237, 253, 345, 395, 759, 869, 1185, 1265, 1327, 1817, 2607, 3795, 3981, 4345, 5451, 6635, 9085, 13035, 14597, 19905, 19987, 27255, 30521, 43791, 59961, 72985, 91563, 99935, 104833, 152605, 218955, 299805, 314499, 335731, 457815, 524165, 1007193, 1153163, 1572495, 1678655, 2411159, 3459489, 5035965, 5765815, 7233477, 12055795, 17297445, 26522749, 36167385, 79568247, 132613745, 397841235]

約数ペア:

[(1, 397841235), (3, 132613745), (5, 79568247), (11, 36167385), (15, 26522749), (23, 17297445), (33, 12055795), (55, 7233477), (69, 5765815), (79, 5035965), (115, 3459489), (165, 2411159), (237, 1678655), (253, 1572495), (345, 1153163), (395, 1007193), (759, 524165), (869, 457815), (1185, 335731), (1265, 314499), (1327, 299805), (1817, 218955), (2607, 152605), (3795, 104833), (3981, 99935), (4345, 91563), (5451, 72985), (6635, 59961), (9085, 43791), (13035, 30521), (14597, 27255), (19905, 19987)]