870838129

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{21557}}^1$

素因数の和:21792

約数の個数: 16

約数和(自身を含む): 1034784000

約数和(自身を除く): 163945871

約数列:

[1, 7, 29, 199, 203, 1393, 5771, 21557, 40397, 150899, 625153, 4289843, 4376071, 30028901, 124405447, 870838129]

約数ペア:

[(1, 870838129), (7, 124405447), (29, 30028901), (199, 4376071), (203, 4289843), (1393, 625153), (5771, 150899), (21557, 40397)]