1308653185

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 1918439424

約数和(自身を除く): 609786239

約数列:

[1, 5, 7, 35, 37, 43, 71, 185, 215, 259, 301, 331, 355, 497, 1295, 1505, 1591, 1655, 2317, 2485, 2627, 3053, 7955, 11137, 11585, 12247, 13135, 14233, 15265, 18389, 21371, 23501, 55685, 61235, 71165, 85729, 91945, 99631, 106855, 112961, 117505, 164507, 428645, 498155, 526621, 564805, 790727, 822535, 869537, 1010543, 2633105, 3686347, 3953635, 4347685, 5052715, 6086759, 7073801, 18431735, 30433795, 35369005, 37390091, 186950455, 261730637, 1308653185]

約数ペア:

[(1, 1308653185), (5, 261730637), (7, 186950455), (35, 37390091), (37, 35369005), (43, 30433795), (71, 18431735), (185, 7073801), (215, 6086759), (259, 5052715), (301, 4347685), (331, 3953635), (355, 3686347), (497, 2633105), (1295, 1010543), (1505, 869537), (1591, 822535), (1655, 790727), (2317, 564805), (2485, 526621), (2627, 498155), (3053, 428645), (7955, 164507), (11137, 117505), (11585, 112961), (12247, 106855), (13135, 99631), (14233, 91945), (15265, 85729), (18389, 71165), (21371, 61235), (23501, 55685)]