261331624

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^2\times {\mathrm{383}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 524966400

約数和(自身を除く): 263634776

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 383, 536, 766, 1273, 1532, 2546, 3064, 4489, 5092, 7277, 8978, 10184, 14554, 17956, 25661, 29108, 35912, 51322, 58216, 85291, 102644, 170582, 205288, 341164, 487559, 682328, 975118, 1719287, 1950236, 3438574, 3900472, 6877148, 13754296, 32666453, 65332906, 130665812, 261331624]

約数ペア:

[(1, 261331624), (2, 130665812), (4, 65332906), (8, 32666453), (19, 13754296), (38, 6877148), (67, 3900472), (76, 3438574), (134, 1950236), (152, 1719287), (268, 975118), (383, 682328), (536, 487559), (766, 341164), (1273, 205288), (1532, 170582), (2546, 102644), (3064, 85291), (4489, 58216), (5092, 51322), (7277, 35912), (8978, 29108), (10184, 25661), (14554, 17956)]