29391895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 40920768

約数和(自身を除く): 11528873

約数列:

[1, 5, 13, 17, 65, 67, 85, 221, 335, 397, 871, 1105, 1139, 1985, 4355, 5161, 5695, 6749, 14807, 25805, 26599, 33745, 74035, 87737, 132995, 345787, 438685, 452183, 1728935, 2260915, 5878379, 29391895]

約数ペア:

[(1, 29391895), (5, 5878379), (13, 2260915), (17, 1728935), (65, 452183), (67, 438685), (85, 345787), (221, 132995), (335, 87737), (397, 74035), (871, 33745), (1105, 26599), (1139, 25805), (1985, 14807), (4355, 6749), (5161, 5695)]