1640489545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{35027}}^1$

素因数の和:35097

約数の個数: 32

約数和(自身を含む): 2269814400

約数和(自身を除く): 629324855

約数列:

[1, 5, 17, 19, 29, 85, 95, 145, 323, 493, 551, 1615, 2465, 2755, 9367, 35027, 46835, 175135, 595459, 665513, 1015783, 2977295, 3327565, 5078915, 11313721, 17268311, 19299877, 56568605, 86341555, 96499385, 328097909, 1640489545]

約数ペア:

[(1, 1640489545), (5, 328097909), (17, 96499385), (19, 86341555), (29, 56568605), (85, 19299877), (95, 17268311), (145, 11313721), (323, 5078915), (493, 3327565), (551, 2977295), (1615, 1015783), (2465, 665513), (2755, 595459), (9367, 175135), (35027, 46835)]