987546385

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 1458192384

約数和(自身を除く): 470645999

約数列:

[1, 5, 7, 31, 35, 43, 61, 155, 215, 217, 301, 305, 347, 427, 1085, 1333, 1505, 1735, 1891, 2135, 2429, 2623, 6665, 9331, 9455, 10757, 12145, 13115, 13237, 14921, 18361, 21167, 46655, 53785, 66185, 74605, 75299, 81313, 91805, 104447, 105835, 148169, 376495, 406565, 462551, 522235, 569191, 656177, 740845, 910181, 2312755, 2845955, 3237857, 3280885, 4550905, 4593239, 6371267, 16189285, 22966195, 28215611, 31856335, 141078055, 197509277, 987546385]

約数ペア:

[(1, 987546385), (5, 197509277), (7, 141078055), (31, 31856335), (35, 28215611), (43, 22966195), (61, 16189285), (155, 6371267), (215, 4593239), (217, 4550905), (301, 3280885), (305, 3237857), (347, 2845955), (427, 2312755), (1085, 910181), (1333, 740845), (1505, 656177), (1735, 569191), (1891, 522235), (2135, 462551), (2429, 406565), (2623, 376495), (6665, 148169), (9331, 105835), (9455, 104447), (10757, 91805), (12145, 81313), (13115, 75299), (13237, 74605), (14921, 66185), (18361, 53785), (21167, 46655)]