291245408

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{128189}}^1$

素因数の和:128270

約数の個数: 24

約数和(自身を含む): 581469840

約数和(自身を除く): 290224432

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 128189, 256378, 512756, 1025512, 2051024, 4102048, 9101419, 18202838, 36405676, 72811352, 145622704, 291245408]

約数ペア:

[(1, 291245408), (2, 145622704), (4, 72811352), (8, 36405676), (16, 18202838), (32, 9101419), (71, 4102048), (142, 2051024), (284, 1025512), (568, 512756), (1136, 256378), (2272, 128189)]