138215488

素因数分解:

$2^6\times {\mathrm{109}}^1\times {\mathrm{19813}}^1$

素因数の和:19934

約数の個数: 28

約数和(自身を含む): 276801580

約数和(自身を除く): 138586092

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 218, 436, 872, 1744, 3488, 6976, 19813, 39626, 79252, 158504, 317008, 634016, 1268032, 2159617, 4319234, 8638468, 17276936, 34553872, 69107744, 138215488]

約数ペア:

[(1, 138215488), (2, 69107744), (4, 34553872), (8, 17276936), (16, 8638468), (32, 4319234), (64, 2159617), (109, 1268032), (218, 634016), (436, 317008), (872, 158504), (1744, 79252), (3488, 39626), (6976, 19813)]