164027395

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 230169600

約数和(自身を除く): 66142205

約数列:

[1, 5, 7, 35, 71, 149, 355, 443, 497, 745, 1043, 2215, 2485, 3101, 5215, 10579, 15505, 31453, 52895, 66007, 74053, 157265, 220171, 330035, 370265, 462049, 1100855, 2310245, 4686497, 23432485, 32805479, 164027395]

約数ペア:

[(1, 164027395), (5, 32805479), (7, 23432485), (35, 4686497), (71, 2310245), (149, 1100855), (355, 462049), (443, 370265), (497, 330035), (745, 220171), (1043, 157265), (2215, 74053), (2485, 66007), (3101, 52895), (5215, 31453), (10579, 15505)]