204395555

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 319807488

約数和(自身を除く): 115411933

約数列:

[1, 5, 7, 13, 31, 35, 43, 65, 91, 155, 215, 217, 301, 337, 403, 455, 559, 1085, 1333, 1505, 1685, 2015, 2359, 2795, 2821, 3913, 4381, 6665, 9331, 10447, 11795, 14105, 14491, 17329, 19565, 21905, 30667, 46655, 52235, 72455, 73129, 86645, 101437, 121303, 135811, 153335, 188383, 365645, 449221, 507185, 606515, 679055, 941915, 950677, 1318681, 2246105, 3144547, 4753385, 5839873, 6593405, 15722735, 29199365, 40879111, 204395555]

約数ペア:

[(1, 204395555), (5, 40879111), (7, 29199365), (13, 15722735), (31, 6593405), (35, 5839873), (43, 4753385), (65, 3144547), (91, 2246105), (155, 1318681), (215, 950677), (217, 941915), (301, 679055), (337, 606515), (403, 507185), (455, 449221), (559, 365645), (1085, 188383), (1333, 153335), (1505, 135811), (1685, 121303), (2015, 101437), (2359, 86645), (2795, 73129), (2821, 72455), (3913, 52235), (4381, 46655), (6665, 30667), (9331, 21905), (10447, 19565), (11795, 17329), (14105, 14491)]