1891541756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1\times {\mathrm{1999}}^1$

素因数の和:2634

約数の個数: 48

約数和(自身を含む): 3687936000

約数和(自身を除く): 1796394244

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 587, 806, 1174, 1612, 1999, 2348, 3998, 7631, 7996, 15262, 18197, 25987, 30524, 36394, 51974, 61969, 72788, 103948, 123938, 236561, 247876, 473122, 805597, 946244, 1173413, 1611194, 2346826, 3222388, 4693652, 15254369, 30508738, 36375803, 61017476, 72751606, 145503212, 472885439, 945770878, 1891541756]

約数ペア:

[(1, 1891541756), (2, 945770878), (4, 472885439), (13, 145503212), (26, 72751606), (31, 61017476), (52, 36375803), (62, 30508738), (124, 15254369), (403, 4693652), (587, 3222388), (806, 2346826), (1174, 1611194), (1612, 1173413), (1999, 946244), (2348, 805597), (3998, 473122), (7631, 247876), (7996, 236561), (15262, 123938), (18197, 103948), (25987, 72788), (30524, 61969), (36394, 51974)]