81518096

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 181321728

約数和(自身を除く): 99803632

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 67, 88, 124, 134, 176, 223, 248, 268, 341, 446, 496, 536, 682, 737, 892, 1072, 1364, 1474, 1784, 2077, 2453, 2728, 2948, 3568, 4154, 4906, 5456, 5896, 6913, 8308, 9812, 11792, 13826, 14941, 16616, 19624, 22847, 27652, 29882, 33232, 39248, 45694, 55304, 59764, 76043, 91388, 110608, 119528, 152086, 164351, 182776, 239056, 304172, 328702, 365552, 463171, 608344, 657404, 926342, 1216688, 1314808, 1852684, 2629616, 3705368, 5094881, 7410736, 10189762, 20379524, 40759048, 81518096]

約数ペア:

[(1, 81518096), (2, 40759048), (4, 20379524), (8, 10189762), (11, 7410736), (16, 5094881), (22, 3705368), (31, 2629616), (44, 1852684), (62, 1314808), (67, 1216688), (88, 926342), (124, 657404), (134, 608344), (176, 463171), (223, 365552), (248, 328702), (268, 304172), (341, 239056), (446, 182776), (496, 164351), (536, 152086), (682, 119528), (737, 110608), (892, 91388), (1072, 76043), (1364, 59764), (1474, 55304), (1784, 45694), (2077, 39248), (2453, 33232), (2728, 29882), (2948, 27652), (3568, 22847), (4154, 19624), (4906, 16616), (5456, 14941), (5896, 13826), (6913, 11792), (8308, 9812)]