257430336

素因数分解:

$2^6\times 3^1\times {\mathrm{43}}^1\times {\mathrm{31181}}^1$

素因数の和:31239

約数の個数: 56

約数和(自身を含む): 696980064

約数和(自身を除く): 439549728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 129, 172, 192, 258, 344, 516, 688, 1032, 1376, 2064, 2752, 4128, 8256, 31181, 62362, 93543, 124724, 187086, 249448, 374172, 498896, 748344, 997792, 1340783, 1496688, 1995584, 2681566, 2993376, 4022349, 5363132, 5986752, 8044698, 10726264, 16089396, 21452528, 32178792, 42905056, 64357584, 85810112, 128715168, 257430336]

約数ペア:

[(1, 257430336), (2, 128715168), (3, 85810112), (4, 64357584), (6, 42905056), (8, 32178792), (12, 21452528), (16, 16089396), (24, 10726264), (32, 8044698), (43, 5986752), (48, 5363132), (64, 4022349), (86, 2993376), (96, 2681566), (129, 1995584), (172, 1496688), (192, 1340783), (258, 997792), (344, 748344), (516, 498896), (688, 374172), (1032, 249448), (1376, 187086), (2064, 124724), (2752, 93543), (4128, 62362), (8256, 31181)]