638244696

素因数分解:

$2^3\times 3^1\times {\mathrm{1307}}^1\times {\mathrm{20347}}^1$

素因数の和:21663

約数の個数: 32

約数和(自身を含む): 1596911040

約数和(自身を除く): 958666344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 1307, 2614, 3921, 5228, 7842, 10456, 15684, 20347, 31368, 40694, 61041, 81388, 122082, 162776, 244164, 488328, 26593529, 53187058, 79780587, 106374116, 159561174, 212748232, 319122348, 638244696]

約数ペア:

[(1, 638244696), (2, 319122348), (3, 212748232), (4, 159561174), (6, 106374116), (8, 79780587), (12, 53187058), (24, 26593529), (1307, 488328), (2614, 244164), (3921, 162776), (5228, 122082), (7842, 81388), (10456, 61041), (15684, 40694), (20347, 31368)]