257180924

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{64231}}^1$

素因数の和:64266

約数の個数: 48

約数和(自身を含む): 604294656

約数和(自身を除く): 347113732

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 64231, 128462, 256924, 449617, 706541, 835003, 899234, 1413082, 1670006, 1798468, 2826164, 3340012, 4945787, 5845021, 9185033, 9891574, 11690042, 18370066, 19783148, 23380084, 36740132, 64295231, 128590462, 257180924]

約数ペア:

[(1, 257180924), (2, 128590462), (4, 64295231), (7, 36740132), (11, 23380084), (13, 19783148), (14, 18370066), (22, 11690042), (26, 9891574), (28, 9185033), (44, 5845021), (52, 4945787), (77, 3340012), (91, 2826164), (143, 1798468), (154, 1670006), (182, 1413082), (286, 899234), (308, 835003), (364, 706541), (572, 449617), (1001, 256924), (2002, 128462), (4004, 64231)]