81489704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{3011}}^1$

素因数の和:3233

約数の個数: 32

約数和(自身を含む): 162648000

約数和(自身を除く): 81158296

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 398, 796, 1592, 3011, 3383, 6022, 6766, 12044, 13532, 24088, 27064, 51187, 102374, 204748, 409496, 599189, 1198378, 2396756, 4793512, 10186213, 20372426, 40744852, 81489704]

約数ペア:

[(1, 81489704), (2, 40744852), (4, 20372426), (8, 10186213), (17, 4793512), (34, 2396756), (68, 1198378), (136, 599189), (199, 409496), (398, 204748), (796, 102374), (1592, 51187), (3011, 27064), (3383, 24088), (6022, 13532), (6766, 12044)]