257831223559

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{461}}^1\times {\mathrm{22679}}^1$

素因数の和:23431

約数の個数: 32

約数和(自身を含む): 319206666240

約数和(自身を除く): 61375442681

約数列:

[1, 7, 13, 91, 271, 461, 1897, 3227, 3523, 5993, 22679, 24661, 41951, 124931, 158753, 294827, 874517, 1624103, 2063789, 6146009, 10455019, 11368721, 43022063, 73185133, 79898117, 135915247, 559286819, 951406729, 2833310149, 19833171043, 36833031937, 257831223559]

約数ペア:

[(1, 257831223559), (7, 36833031937), (13, 19833171043), (91, 2833310149), (271, 951406729), (461, 559286819), (1897, 135915247), (3227, 79898117), (3523, 73185133), (5993, 43022063), (22679, 11368721), (24661, 10455019), (41951, 6146009), (124931, 2063789), (158753, 1624103), (294827, 874517)]