17988891115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1\times {\mathrm{5153}}^1$

素因数の和:6463

約数の個数: 32

約数和(自身を含む): 23811480000

約数和(自身を除く): 5822588885

約数列:

[1, 5, 13, 43, 65, 215, 559, 1249, 2795, 5153, 6245, 16237, 25765, 53707, 66989, 81185, 221579, 268535, 334945, 698191, 1107895, 2880527, 3490955, 6436097, 14402635, 32180485, 83669261, 276752171, 418346305, 1383760855, 3597778223, 17988891115]

約数ペア:

[(1, 17988891115), (5, 3597778223), (13, 1383760855), (43, 418346305), (65, 276752171), (215, 83669261), (559, 32180485), (1249, 14402635), (2795, 6436097), (5153, 3490955), (6245, 2880527), (16237, 1107895), (25765, 698191), (53707, 334945), (66989, 268535), (81185, 221579)]