55785415

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 86780160

約数和(自身を除く): 30994745

約数列:

[1, 5, 7, 17, 29, 35, 53, 61, 85, 119, 145, 203, 265, 305, 371, 427, 493, 595, 901, 1015, 1037, 1537, 1769, 1855, 2135, 2465, 3233, 3451, 4505, 5185, 6307, 7259, 7685, 8845, 10759, 12383, 16165, 17255, 22631, 26129, 30073, 31535, 36295, 53795, 54961, 61915, 93757, 113155, 130645, 150365, 182903, 210511, 274805, 384727, 468785, 656299, 914515, 1052555, 1593869, 1923635, 3281495, 7969345, 11157083, 55785415]

約数ペア:

[(1, 55785415), (5, 11157083), (7, 7969345), (17, 3281495), (29, 1923635), (35, 1593869), (53, 1052555), (61, 914515), (85, 656299), (119, 468785), (145, 384727), (203, 274805), (265, 210511), (305, 182903), (371, 150365), (427, 130645), (493, 113155), (595, 93757), (901, 61915), (1015, 54961), (1037, 53795), (1537, 36295), (1769, 31535), (1855, 30073), (2135, 26129), (2465, 22631), (3233, 17255), (3451, 16165), (4505, 12383), (5185, 10759), (6307, 8845), (7259, 7685)]