81514864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15773}}^1$

素因数の和:15817

約数の個数: 40

約数和(自身を含む): 176037840

約数和(自身を除く): 94522976

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 15773, 31546, 63092, 126184, 252368, 268141, 299687, 536282, 599374, 1072564, 1198748, 2145128, 2397496, 4290256, 4794992, 5094679, 10189358, 20378716, 40757432, 81514864]

約数ペア:

[(1, 81514864), (2, 40757432), (4, 20378716), (8, 10189358), (16, 5094679), (17, 4794992), (19, 4290256), (34, 2397496), (38, 2145128), (68, 1198748), (76, 1072564), (136, 599374), (152, 536282), (272, 299687), (304, 268141), (323, 252368), (646, 126184), (1292, 63092), (2584, 31546), (5168, 15773)]