81139214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{100669}}^1$

素因数の和:100715

約数の個数: 16

約数和(自身を含む): 135300480

約数和(自身を除く): 54161266

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 100669, 201338, 1308697, 2617394, 3120739, 6241478, 40569607, 81139214]

約数ペア:

[(1, 81139214), (2, 40569607), (13, 6241478), (26, 3120739), (31, 2617394), (62, 1308697), (403, 201338), (806, 100669)]