208131434

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{26981}}^1$

素因数の和:27038

約数の個数: 32

約数和(自身を含む): 388540800

約数和(自身を除く): 180409366

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 3857, 7714, 26981, 53962, 188867, 377734, 512639, 782449, 1025278, 1564898, 3588473, 5477143, 7176946, 10954286, 14866531, 29733062, 104065717, 208131434]

約数ペア:

[(1, 208131434), (2, 104065717), (7, 29733062), (14, 14866531), (19, 10954286), (29, 7176946), (38, 5477143), (58, 3588473), (133, 1564898), (203, 1025278), (266, 782449), (406, 512639), (551, 377734), (1102, 188867), (3857, 53962), (7714, 26981)]