201491785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2003}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 277032960

約数和(自身を除く): 75541175

約数列:

[1, 5, 11, 31, 55, 59, 155, 295, 341, 649, 1705, 1829, 2003, 3245, 9145, 10015, 20119, 22033, 62093, 100595, 110165, 118177, 310465, 590885, 683023, 1299947, 3415115, 3663487, 6499735, 18317435, 40298357, 201491785]

約数ペア:

[(1, 201491785), (5, 40298357), (11, 18317435), (31, 6499735), (55, 3663487), (59, 3415115), (155, 1299947), (295, 683023), (341, 590885), (649, 310465), (1705, 118177), (1829, 110165), (2003, 100595), (3245, 62093), (9145, 22033), (10015, 20119)]