81914168

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{461}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 186278400

約数和(自身を除く): 104364232

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 167, 266, 334, 461, 532, 668, 922, 1064, 1169, 1336, 1844, 2338, 3173, 3227, 3688, 4676, 6346, 6454, 8759, 9352, 12692, 12908, 17518, 22211, 25384, 25816, 35036, 44422, 61313, 70072, 76987, 88844, 122626, 153974, 177688, 245252, 307948, 490504, 538909, 615896, 1077818, 1462753, 2155636, 2925506, 4311272, 5851012, 10239271, 11702024, 20478542, 40957084, 81914168]

約数ペア:

[(1, 81914168), (2, 40957084), (4, 20478542), (7, 11702024), (8, 10239271), (14, 5851012), (19, 4311272), (28, 2925506), (38, 2155636), (56, 1462753), (76, 1077818), (133, 615896), (152, 538909), (167, 490504), (266, 307948), (334, 245252), (461, 177688), (532, 153974), (668, 122626), (922, 88844), (1064, 76987), (1169, 70072), (1336, 61313), (1844, 44422), (2338, 35036), (3173, 25816), (3227, 25384), (3688, 22211), (4676, 17518), (6346, 12908), (6454, 12692), (8759, 9352)]