81091842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 180956160

約数和(自身を除く): 99864318

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 67, 78, 118, 134, 177, 201, 263, 354, 402, 526, 767, 789, 871, 1534, 1578, 1742, 2301, 2613, 3419, 3953, 4602, 5226, 6838, 7906, 10257, 11859, 15517, 17621, 20514, 23718, 31034, 35242, 46551, 51389, 52863, 93102, 102778, 105726, 154167, 201721, 229073, 308334, 403442, 458146, 605163, 687219, 1039639, 1210326, 1374438, 2079278, 3118917, 6237834, 13515307, 27030614, 40545921, 81091842]

約数ペア:

[(1, 81091842), (2, 40545921), (3, 27030614), (6, 13515307), (13, 6237834), (26, 3118917), (39, 2079278), (59, 1374438), (67, 1210326), (78, 1039639), (118, 687219), (134, 605163), (177, 458146), (201, 403442), (263, 308334), (354, 229073), (402, 201721), (526, 154167), (767, 105726), (789, 102778), (871, 93102), (1534, 52863), (1578, 51389), (1742, 46551), (2301, 35242), (2613, 31034), (3419, 23718), (3953, 20514), (4602, 17621), (5226, 15517), (6838, 11859), (7906, 10257)]