80818878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 191651328

約数和(自身を除く): 110832450

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 131, 222, 259, 262, 393, 397, 518, 777, 786, 794, 917, 1191, 1554, 1834, 2382, 2751, 2779, 4847, 5502, 5558, 8337, 9694, 14541, 14689, 16674, 29082, 29378, 33929, 44067, 52007, 67858, 88134, 101787, 102823, 104014, 156021, 203574, 205646, 308469, 312042, 364049, 616938, 728098, 1092147, 1924259, 2184294, 3848518, 5772777, 11545554, 13469813, 26939626, 40409439, 80818878]

約数ペア:

[(1, 80818878), (2, 40409439), (3, 26939626), (6, 13469813), (7, 11545554), (14, 5772777), (21, 3848518), (37, 2184294), (42, 1924259), (74, 1092147), (111, 728098), (131, 616938), (222, 364049), (259, 312042), (262, 308469), (393, 205646), (397, 203574), (518, 156021), (777, 104014), (786, 102823), (794, 101787), (917, 88134), (1191, 67858), (1554, 52007), (1834, 44067), (2382, 33929), (2751, 29378), (2779, 29082), (4847, 16674), (5502, 14689), (5558, 14541), (8337, 9694)]