2011559425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1723}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 2747449152

約数和(自身を除く): 735889727

約数列:

[1, 5, 17, 25, 41, 67, 85, 205, 335, 425, 697, 1025, 1139, 1675, 1723, 2747, 3485, 5695, 8615, 13735, 17425, 28475, 29291, 43075, 46699, 68675, 70643, 115441, 146455, 233495, 353215, 577205, 732275, 1167475, 1200931, 1766075, 1962497, 2886025, 4733081, 6004655, 9812485, 23665405, 30023275, 49062425, 80462377, 118327025, 402311885, 2011559425]

約数ペア:

[(1, 2011559425), (5, 402311885), (17, 118327025), (25, 80462377), (41, 49062425), (67, 30023275), (85, 23665405), (205, 9812485), (335, 6004655), (425, 4733081), (697, 2886025), (1025, 1962497), (1139, 1766075), (1675, 1200931), (1723, 1167475), (2747, 732275), (3485, 577205), (5695, 353215), (8615, 233495), (13735, 146455), (17425, 115441), (28475, 70643), (29291, 68675), (43075, 46699)]