256866961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{6571}}^1$

素因数の和:6712

約数の個数: 16

約数和(自身を含む): 288537088

約数和(自身を除く): 31670127

約数列:

[1, 13, 31, 97, 403, 1261, 3007, 6571, 39091, 85423, 203701, 637387, 2648113, 8286031, 19758997, 256866961]

約数ペア:

[(1, 256866961), (13, 19758997), (31, 8286031), (97, 2648113), (403, 637387), (1261, 203701), (3007, 85423), (6571, 39091)]