217075628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{7919}}^1$

素因数の和:8030

約数の個数: 48

約数和(自身を含む): 479001600

約数和(自身を除く): 261925972

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 979, 1246, 1958, 2492, 3916, 6853, 7919, 13706, 15838, 27412, 31676, 55433, 87109, 110866, 174218, 221732, 348436, 609763, 704791, 1219526, 1409582, 2439052, 2819164, 4933537, 7752701, 9867074, 15505402, 19734148, 31010804, 54268907, 108537814, 217075628]

約数ペア:

[(1, 217075628), (2, 108537814), (4, 54268907), (7, 31010804), (11, 19734148), (14, 15505402), (22, 9867074), (28, 7752701), (44, 4933537), (77, 2819164), (89, 2439052), (154, 1409582), (178, 1219526), (308, 704791), (356, 609763), (623, 348436), (979, 221732), (1246, 174218), (1958, 110866), (2492, 87109), (3916, 55433), (6853, 31676), (7919, 27412), (13706, 15838)]