90720119

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{797}}^1$

素因数の和:935

約数の個数: 24

約数和(自身を含む): 111349728

約数和(自身を除く): 20629609

約数列:

[1, 7, 23, 49, 101, 161, 707, 797, 1127, 2323, 4949, 5579, 16261, 18331, 39053, 80497, 113827, 128317, 563479, 898219, 1851431, 3944353, 12960017, 90720119]

約数ペア:

[(1, 90720119), (7, 12960017), (23, 3944353), (49, 1851431), (101, 898219), (161, 563479), (707, 128317), (797, 113827), (1127, 80497), (2323, 39053), (4949, 18331), (5579, 16261)]