72971905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{10867}}^1$

素因数の和:10968

約数の個数: 16

約数和(自身を含む): 93899520

約数和(自身を除く): 20927615

約数列:

[1, 5, 17, 79, 85, 395, 1343, 6715, 10867, 54335, 184739, 858493, 923695, 4292465, 14594381, 72971905]

約数ペア:

[(1, 72971905), (5, 14594381), (17, 4292465), (79, 923695), (85, 858493), (395, 184739), (1343, 54335), (6715, 10867)]