61931380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{442367}}^1$

素因数の和:442383

約数の個数: 24

約数和(自身を含む): 148635648

約数和(自身を除く): 86704268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 442367, 884734, 1769468, 2211835, 3096569, 4423670, 6193138, 8847340, 12386276, 15482845, 30965690, 61931380]

約数ペア:

[(1, 61931380), (2, 30965690), (4, 15482845), (5, 12386276), (7, 8847340), (10, 6193138), (14, 4423670), (20, 3096569), (28, 2211835), (35, 1769468), (70, 884734), (140, 442367)]