199612985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{279179}}^1$

素因数の和:279208

約数の個数: 16

約数和(自身を含む): 281413440

約数和(自身を除く): 81800455

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 279179, 1395895, 3070969, 3629327, 15354845, 18146635, 39922597, 199612985]

約数ペア:

[(1, 199612985), (5, 39922597), (11, 18146635), (13, 15354845), (55, 3629327), (65, 3070969), (143, 1395895), (715, 279179)]