129981878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{217361}}^1$

素因数の和:217399

約数の個数: 16

約数和(自身を含む): 219100896

約数和(自身を除く): 89119018

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 217361, 434722, 2825693, 4999303, 5651386, 9998606, 64990939, 129981878]

約数ペア:

[(1, 129981878), (2, 64990939), (13, 9998606), (23, 5651386), (26, 4999303), (46, 2825693), (299, 434722), (598, 217361)]