81376544

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{133843}}^1$

素因数の和:133872

約数の個数: 24

約数和(自身を含む): 168643440

約数和(自身を除く): 87266896

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 133843, 267686, 535372, 1070744, 2141488, 2543017, 4282976, 5086034, 10172068, 20344136, 40688272, 81376544]

約数ペア:

[(1, 81376544), (2, 40688272), (4, 20344136), (8, 10172068), (16, 5086034), (19, 4282976), (32, 2543017), (38, 2141488), (76, 1070744), (152, 535372), (304, 267686), (608, 133843)]