81455636

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 156038400

約数和(自身を除く): 74582764

約数列:

[1, 2, 4, 17, 34, 59, 68, 79, 118, 158, 236, 257, 316, 514, 1003, 1028, 1343, 2006, 2686, 4012, 4369, 4661, 5372, 8738, 9322, 15163, 17476, 18644, 20303, 30326, 40606, 60652, 79237, 81212, 158474, 257771, 316948, 345151, 515542, 690302, 1031084, 1197877, 1380604, 2395754, 4791508, 20363909, 40727818, 81455636]

約数ペア:

[(1, 81455636), (2, 40727818), (4, 20363909), (17, 4791508), (34, 2395754), (59, 1380604), (68, 1197877), (79, 1031084), (118, 690302), (158, 515542), (236, 345151), (257, 316948), (316, 257771), (514, 158474), (1003, 81212), (1028, 79237), (1343, 60652), (2006, 40606), (2686, 30326), (4012, 20303), (4369, 18644), (4661, 17476), (5372, 15163), (8738, 9322)]