61979890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{885427}}^1$

素因数の和:885441

約数の個数: 16

約数和(自身を含む): 127501632

約数和(自身を除く): 65521742

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 885427, 1770854, 4427135, 6197989, 8854270, 12395978, 30989945, 61979890]

約数ペア:

[(1, 61979890), (2, 30989945), (5, 12395978), (7, 8854270), (10, 6197989), (14, 4427135), (35, 1770854), (70, 885427)]