64884449

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21211}}^1$

素因数の和:21260

約数の個数: 16

約数和(自身を含む): 81454080

約数和(自身を除く): 16569631

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 21211, 148477, 403009, 487853, 2821063, 3414971, 9269207, 64884449]

約数ペア:

[(1, 64884449), (7, 9269207), (19, 3414971), (23, 2821063), (133, 487853), (161, 403009), (437, 148477), (3059, 21211)]