400451999

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^2\times {\mathrm{113}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 442990320

約数和(自身を除く): 42538321

約数列:

[1, 19, 37, 71, 113, 703, 1349, 2147, 2627, 4181, 5041, 8023, 49913, 79439, 95779, 152437, 186517, 296851, 569633, 3543823, 5640169, 10823027, 21076421, 400451999]

約数ペア:

[(1, 400451999), (19, 21076421), (37, 10823027), (71, 5640169), (113, 3543823), (703, 569633), (1349, 296851), (2147, 186517), (2627, 152437), (4181, 95779), (5041, 79439), (8023, 49913)]