72878365

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67169}}^1$

素因数の和:67212

約数の個数: 16

約数和(自身を含む): 103173120

約数和(自身を除く): 30294755

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 67169, 335845, 470183, 2082239, 2350915, 10411195, 14575673, 72878365]

約数ペア:

[(1, 72878365), (5, 14575673), (7, 10411195), (31, 2350915), (35, 2082239), (155, 470183), (217, 335845), (1085, 67169)]