259486591

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{673}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 338186240

約数和(自身を除く): 78699649

約数列:

[1, 7, 13, 19, 91, 133, 223, 247, 673, 1561, 1729, 2899, 4237, 4711, 8749, 12787, 20293, 29659, 55081, 61243, 89509, 150079, 166231, 385567, 1050553, 1163617, 1951027, 2851501, 13657189, 19960507, 37069513, 259486591]

約数ペア:

[(1, 259486591), (7, 37069513), (13, 19960507), (19, 13657189), (91, 2851501), (133, 1951027), (223, 1163617), (247, 1050553), (673, 385567), (1561, 166231), (1729, 150079), (2899, 89509), (4237, 61243), (4711, 55081), (8749, 29659), (12787, 20293)]