81187216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11251}}^1$

素因数の和:11311

約数の個数: 40

約数和(自身を含む): 175801248

約数和(自身を除く): 94614032

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 3608, 7216, 11251, 22502, 45004, 90008, 123761, 180016, 247522, 461291, 495044, 922582, 990088, 1845164, 1980176, 3690328, 5074201, 7380656, 10148402, 20296804, 40593608, 81187216]

約数ペア:

[(1, 81187216), (2, 40593608), (4, 20296804), (8, 10148402), (11, 7380656), (16, 5074201), (22, 3690328), (41, 1980176), (44, 1845164), (82, 990088), (88, 922582), (164, 495044), (176, 461291), (328, 247522), (451, 180016), (656, 123761), (902, 90008), (1804, 45004), (3608, 22502), (7216, 11251)]