1981253183

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{702323}}^1$

素因数の和:702374

約数の個数: 16

約数和(自身を含む): 2517129216

約数和(自身を除く): 535876033

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 702323, 4916261, 9130199, 21772013, 63911393, 152404091, 283036169, 1981253183]

約数ペア:

[(1, 1981253183), (7, 283036169), (13, 152404091), (31, 63911393), (91, 21772013), (217, 9130199), (403, 4916261), (2821, 702323)]