25618229

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 32443488

約数和(自身を除く): 6825259

約数列:

[1, 7, 13, 49, 91, 131, 307, 637, 917, 1703, 2149, 3991, 6419, 11921, 15043, 27937, 40217, 83447, 195559, 281519, 522821, 1970633, 3659747, 25618229]

約数ペア:

[(1, 25618229), (7, 3659747), (13, 1970633), (49, 522821), (91, 281519), (131, 195559), (307, 83447), (637, 40217), (917, 27937), (1703, 15043), (2149, 11921), (3991, 6419)]