284865217

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{18523}}^1$

素因数の和:18569

約数の個数: 16

約数和(自身を含む): 352696960

約数和(自身を除く): 67831743

約数列:

[1, 7, 13, 91, 169, 1183, 2197, 15379, 18523, 129661, 240799, 1685593, 3130387, 21912709, 40695031, 284865217]

約数ペア:

[(1, 284865217), (7, 40695031), (13, 21912709), (91, 3130387), (169, 1685593), (1183, 240799), (2197, 129661), (15379, 18523)]