311947904

素因数分解:

$2^7\times {\mathrm{137}}^1\times {\mathrm{17789}}^1$

素因数の和:17940

約数の個数: 32

約数和(自身を含む): 626030100

約数和(自身を除く): 314082196

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 274, 548, 1096, 2192, 4384, 8768, 17536, 17789, 35578, 71156, 142312, 284624, 569248, 1138496, 2276992, 2437093, 4874186, 9748372, 19496744, 38993488, 77986976, 155973952, 311947904]

約数ペア:

[(1, 311947904), (2, 155973952), (4, 77986976), (8, 38993488), (16, 19496744), (32, 9748372), (64, 4874186), (128, 2437093), (137, 2276992), (274, 1138496), (548, 569248), (1096, 284624), (2192, 142312), (4384, 71156), (8768, 35578), (17536, 17789)]