72455408

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{67589}}^1$

素因数の和:67664

約数の個数: 20

約数和(自身を含む): 142479720

約数和(自身を除く): 70024312

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 67589, 135178, 270356, 540712, 1081424, 4528463, 9056926, 18113852, 36227704, 72455408]

約数ペア:

[(1, 72455408), (2, 36227704), (4, 18113852), (8, 9056926), (16, 4528463), (67, 1081424), (134, 540712), (268, 270356), (536, 135178), (1072, 67589)]