131188876

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{51487}}^1$

素因数の和:51518

約数の個数: 36

約数和(自身を含む): 287611968

約数和(自身を除く): 156423092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 51487, 102974, 205948, 360409, 669331, 720818, 1338662, 1441636, 2522863, 2677324, 4685317, 5045726, 9370634, 10091452, 18741268, 32797219, 65594438, 131188876]

約数ペア:

[(1, 131188876), (2, 65594438), (4, 32797219), (7, 18741268), (13, 10091452), (14, 9370634), (26, 5045726), (28, 4685317), (49, 2677324), (52, 2522863), (91, 1441636), (98, 1338662), (182, 720818), (196, 669331), (364, 360409), (637, 205948), (1274, 102974), (2548, 51487)]