161149681

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 222108480

約数和(自身を除く): 60958799

約数列:

[1, 7, 11, 17, 43, 49, 77, 119, 187, 301, 409, 473, 539, 731, 833, 1309, 2107, 2863, 3311, 4499, 5117, 6953, 8041, 9163, 17587, 20041, 23177, 31493, 35819, 48671, 56287, 76483, 123109, 193457, 220451, 298979, 340697, 394009, 535381, 861763, 1354199, 2092853, 3288769, 3747667, 9479393, 14649971, 23021383, 161149681]

約数ペア:

[(1, 161149681), (7, 23021383), (11, 14649971), (17, 9479393), (43, 3747667), (49, 3288769), (77, 2092853), (119, 1354199), (187, 861763), (301, 535381), (409, 394009), (473, 340697), (539, 298979), (731, 220451), (833, 193457), (1309, 123109), (2107, 76483), (2863, 56287), (3311, 48671), (4499, 35819), (5117, 31493), (6953, 23177), (8041, 20041), (9163, 17587)]