61581128

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1930

約数の個数: 64

約数和(自身を含む): 143462400

約数和(自身を除く): 81881272

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 868, 1064, 1178, 1736, 1867, 2356, 3734, 4123, 4712, 7468, 8246, 13069, 14936, 16492, 26138, 32984, 35473, 52276, 57877, 70946, 104552, 115754, 141892, 231508, 248311, 283784, 405139, 463016, 496622, 810278, 993244, 1099663, 1620556, 1986488, 2199326, 3241112, 4398652, 7697641, 8797304, 15395282, 30790564, 61581128]

約数ペア:

[(1, 61581128), (2, 30790564), (4, 15395282), (7, 8797304), (8, 7697641), (14, 4398652), (19, 3241112), (28, 2199326), (31, 1986488), (38, 1620556), (56, 1099663), (62, 993244), (76, 810278), (124, 496622), (133, 463016), (152, 405139), (217, 283784), (248, 248311), (266, 231508), (434, 141892), (532, 115754), (589, 104552), (868, 70946), (1064, 57877), (1178, 52276), (1736, 35473), (1867, 32984), (2356, 26138), (3734, 16492), (4123, 14936), (4712, 13069), (7468, 8246)]