172642379

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3291

約数の個数: 32

約数和(自身を含む): 230952960

約数和(自身を除く): 58310581

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 403, 589, 1729, 2821, 3221, 4123, 7657, 22547, 41873, 53599, 61199, 99851, 293111, 428393, 698957, 795587, 1298063, 1897169, 5569109, 9086441, 13280183, 24663197, 172642379]

約数ペア:

[(1, 172642379), (7, 24663197), (13, 13280183), (19, 9086441), (31, 5569109), (91, 1897169), (133, 1298063), (217, 795587), (247, 698957), (403, 428393), (589, 293111), (1729, 99851), (2821, 61199), (3221, 53599), (4123, 41873), (7657, 22547)]