257860422

素因数分解:

$2^1\times 3^8\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:526

約数の個数: 72

約数和(自身を含む): 594947496

約数和(自身を除く): 337087074

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 243, 258, 387, 457, 486, 729, 774, 914, 1161, 1371, 1458, 2187, 2322, 2742, 3483, 4113, 4374, 6561, 6966, 8226, 10449, 12339, 13122, 19651, 20898, 24678, 31347, 37017, 39302, 58953, 62694, 74034, 94041, 111051, 117906, 176859, 188082, 222102, 282123, 333153, 353718, 530577, 564246, 666306, 999459, 1061154, 1591731, 1998918, 2998377, 3183462, 4775193, 5996754, 9550386, 14325579, 28651158, 42976737, 85953474, 128930211, 257860422]

約数ペア:

[(1, 257860422), (2, 128930211), (3, 85953474), (6, 42976737), (9, 28651158), (18, 14325579), (27, 9550386), (43, 5996754), (54, 4775193), (81, 3183462), (86, 2998377), (129, 1998918), (162, 1591731), (243, 1061154), (258, 999459), (387, 666306), (457, 564246), (486, 530577), (729, 353718), (774, 333153), (914, 282123), (1161, 222102), (1371, 188082), (1458, 176859), (2187, 117906), (2322, 111051), (2742, 94041), (3483, 74034), (4113, 62694), (4374, 58953), (6561, 39302), (6966, 37017), (8226, 31347), (10449, 24678), (12339, 20898), (13122, 19651)]