81293784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23687}}^1$

素因数の和:23720

約数の個数: 64

約数和(自身を含む): 238775040

約数和(自身を除く): 157481256

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 23687, 47374, 71061, 94748, 142122, 189496, 260557, 284244, 307931, 521114, 568488, 615862, 781671, 923793, 1042228, 1231724, 1563342, 1847586, 2084456, 2463448, 3126684, 3387241, 3695172, 6253368, 6774482, 7390344, 10161723, 13548964, 20323446, 27097928, 40646892, 81293784]

約数ペア:

[(1, 81293784), (2, 40646892), (3, 27097928), (4, 20323446), (6, 13548964), (8, 10161723), (11, 7390344), (12, 6774482), (13, 6253368), (22, 3695172), (24, 3387241), (26, 3126684), (33, 2463448), (39, 2084456), (44, 1847586), (52, 1563342), (66, 1231724), (78, 1042228), (88, 923793), (104, 781671), (132, 615862), (143, 568488), (156, 521114), (264, 307931), (286, 284244), (312, 260557), (429, 189496), (572, 142122), (858, 94748), (1144, 71061), (1716, 47374), (3432, 23687)]