199984876

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{78487}}^1$

素因数の和:78518

約数の個数: 36

約数和(自身を含む): 438433968

約数和(自身を除く): 238449092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 78487, 156974, 313948, 549409, 1020331, 1098818, 2040662, 2197636, 3845863, 4081324, 7142317, 7691726, 14284634, 15383452, 28569268, 49996219, 99992438, 199984876]

約数ペア:

[(1, 199984876), (2, 99992438), (4, 49996219), (7, 28569268), (13, 15383452), (14, 14284634), (26, 7691726), (28, 7142317), (49, 4081324), (52, 3845863), (91, 2197636), (98, 2040662), (182, 1098818), (196, 1020331), (364, 549409), (637, 313948), (1274, 156974), (2548, 78487)]