198714395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1151}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 270065664

約数和(自身を除く): 71351269

約数列:

[1, 5, 11, 43, 55, 73, 215, 365, 473, 803, 1151, 2365, 3139, 4015, 5755, 12661, 15695, 34529, 49493, 63305, 84023, 172645, 247465, 420115, 544423, 924253, 2722115, 3612989, 4621265, 18064945, 39742879, 198714395]

約数ペア:

[(1, 198714395), (5, 39742879), (11, 18064945), (43, 4621265), (55, 3612989), (73, 2722115), (215, 924253), (365, 544423), (473, 420115), (803, 247465), (1151, 172645), (2365, 84023), (3139, 63305), (4015, 49493), (5755, 34529), (12661, 15695)]