218990369

素因数分解:

${\mathrm{13}}^3\times {\mathrm{263}}^1\times {\mathrm{379}}^1$

素因数の和:681

約数の個数: 16

約数和(自身を含む): 238761600

約数和(自身を除く): 19771231

約数列:

[1, 13, 169, 263, 379, 2197, 3419, 4927, 44447, 64051, 99677, 577811, 832663, 1295801, 16845413, 218990369]

約数ペア:

[(1, 218990369), (13, 16845413), (169, 1295801), (263, 832663), (379, 577811), (2197, 99677), (3419, 64051), (4927, 44447)]