261668165

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4177}}^1$

素因数の和:4277

約数の個数: 32

約数和(自身を含む): 368198784

約数和(自身を除く): 106530619

約数列:

[1, 5, 11, 17, 55, 67, 85, 187, 335, 737, 935, 1139, 3685, 4177, 5695, 12529, 20885, 45947, 62645, 71009, 229735, 279859, 355045, 781099, 1399295, 3078449, 3905495, 4757603, 15392245, 23788015, 52333633, 261668165]

約数ペア:

[(1, 261668165), (5, 52333633), (11, 23788015), (17, 15392245), (55, 4757603), (67, 3905495), (85, 3078449), (187, 1399295), (335, 781099), (737, 355045), (935, 279859), (1139, 229735), (3685, 71009), (4177, 62645), (5695, 45947), (12529, 20885)]