201998220112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{971145289}}^1$

素因数の和:971145310

約数の個数: 20

約数和(自身を含む): 421477055860

約数和(自身を除く): 219478835748

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 971145289, 1942290578, 3884581156, 7769162312, 12624888757, 15538324624, 25249777514, 50499555028, 100999110056, 201998220112]

約数ペア:

[(1, 201998220112), (2, 100999110056), (4, 50499555028), (8, 25249777514), (13, 15538324624), (16, 12624888757), (26, 7769162312), (52, 3884581156), (104, 1942290578), (208, 971145289)]