1293440561

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{3923}}^1$

素因数の和:4053

約数の個数: 32

約数和(自身を含む): 1622338560

約数和(自身を除く): 328897999

約数列:

[1, 7, 19, 37, 67, 133, 259, 469, 703, 1273, 2479, 3923, 4921, 8911, 17353, 27461, 47101, 74537, 145151, 262841, 329707, 521759, 1016057, 1839887, 2757869, 4993979, 9725117, 19305083, 34957853, 68075819, 184777223, 1293440561]

約数ペア:

[(1, 1293440561), (7, 184777223), (19, 68075819), (37, 34957853), (67, 19305083), (133, 9725117), (259, 4993979), (469, 2757869), (703, 1839887), (1273, 1016057), (2479, 521759), (3923, 329707), (4921, 262841), (8911, 145151), (17353, 74537), (27461, 47101)]