245697985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{53239}}^1$

素因数の和:53328

約数の個数: 16

約数和(自身を含む): 321995520

約数和(自身を除く): 76297535

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 53239, 266195, 692107, 3460535, 3779969, 18899845, 49139597, 245697985]

約数ペア:

[(1, 245697985), (5, 49139597), (13, 18899845), (65, 3779969), (71, 3460535), (355, 692107), (923, 266195), (4615, 53239)]