1976898385

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{1009}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 3017589120

約数和(自身を除く): 1040690735

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 727, 1009, 2695, 3635, 5045, 5089, 7063, 7997, 11099, 25445, 35315, 35623, 39985, 49441, 55495, 55979, 77693, 178115, 247205, 279895, 388465, 391853, 543851, 733543, 1959265, 2719255, 3667715, 5134801, 8068973, 25674005, 35943607, 40344865, 56482811, 179718035, 282414055, 395379677, 1976898385]

約数ペア:

[(1, 1976898385), (5, 395379677), (7, 282414055), (11, 179718035), (35, 56482811), (49, 40344865), (55, 35943607), (77, 25674005), (245, 8068973), (385, 5134801), (539, 3667715), (727, 2719255), (1009, 1959265), (2695, 733543), (3635, 543851), (5045, 391853), (5089, 388465), (7063, 279895), (7997, 247205), (11099, 178115), (25445, 77693), (35315, 55979), (35623, 55495), (39985, 49441)]