20131017158

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{387269}}^1$

素因数の和:387404

約数の個数: 32

約数和(自身を含む): 35690803200

約数和(自身を除く): 15559786042

約数列:

[1, 2, 7, 14, 47, 79, 94, 158, 329, 553, 658, 1106, 3713, 7426, 25991, 51982, 387269, 774538, 2710883, 5421766, 18201643, 30594251, 36403286, 61188502, 127411501, 214159757, 254823002, 428319514, 1437929797, 2875859594, 10065508579, 20131017158]

約数ペア:

[(1, 20131017158), (2, 10065508579), (7, 2875859594), (14, 1437929797), (47, 428319514), (79, 254823002), (94, 214159757), (158, 127411501), (329, 61188502), (553, 36403286), (658, 30594251), (1106, 18201643), (3713, 5421766), (7426, 2710883), (25991, 774538), (51982, 387269)]