1128158405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{1151}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 1504935936

約数和(自身を除く): 376777531

約数列:

[1, 5, 11, 55, 71, 251, 355, 781, 1151, 1255, 2761, 3905, 5755, 12661, 13805, 17821, 63305, 81721, 89105, 196031, 288901, 408605, 898931, 980155, 1444505, 3177911, 4494655, 15889555, 20511971, 102559855, 225631681, 1128158405]

約数ペア:

[(1, 1128158405), (5, 225631681), (11, 102559855), (55, 20511971), (71, 15889555), (251, 4494655), (355, 3177911), (781, 1444505), (1151, 980155), (1255, 898931), (2761, 408605), (3905, 288901), (5755, 196031), (12661, 89105), (13805, 81721), (17821, 63305)]