218664979

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{761}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 254239776

約数和(自身を除く): 35574797

約数列:

[1, 13, 23, 31, 299, 403, 713, 761, 961, 9269, 9893, 12493, 17503, 22103, 23591, 227539, 287339, 306683, 542593, 731321, 7053709, 9507173, 16820383, 218664979]

約数ペア:

[(1, 218664979), (13, 16820383), (23, 9507173), (31, 7053709), (299, 731321), (403, 542593), (713, 306683), (761, 287339), (961, 227539), (9269, 23591), (9893, 22103), (12493, 17503)]