78453215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1\times {\mathrm{1229}}^1$

素因数の和:2002

約数の個数: 16

約数和(自身を含む): 99895680

約数和(自身を除く): 21442465

約数列:

[1, 5, 17, 85, 751, 1229, 3755, 6145, 12767, 20893, 63835, 104465, 922979, 4614895, 15690643, 78453215]

約数ペア:

[(1, 78453215), (5, 15690643), (17, 4614895), (85, 922979), (751, 104465), (1229, 63835), (3755, 20893), (6145, 12767)]