978173845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{2719}}^1$

素因数の和:2977

約数の個数: 32

約数和(自身を含む): 1328578560

約数和(自身を除く): 350404715

約数列:

[1, 5, 11, 31, 55, 155, 211, 341, 1055, 1705, 2321, 2719, 6541, 11605, 13595, 29909, 32705, 71951, 84289, 149545, 359755, 421445, 573709, 927179, 2868545, 4635895, 6310799, 17784979, 31553995, 88924895, 195634769, 978173845]

約数ペア:

[(1, 978173845), (5, 195634769), (11, 88924895), (31, 31553995), (55, 17784979), (155, 6310799), (211, 4635895), (341, 2868545), (1055, 927179), (1705, 573709), (2321, 421445), (2719, 359755), (6541, 149545), (11605, 84289), (13595, 71951), (29909, 32705)]