639679682

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{26479}}^1$

素因数の和:26785

約数の個数: 16

約数和(自身を含む): 983784960

約数和(自身を除く): 344105278

約数列:

[1, 2, 47, 94, 257, 514, 12079, 24158, 26479, 52958, 1244513, 2489026, 6805103, 13610206, 319839841, 639679682]

約数ペア:

[(1, 639679682), (2, 319839841), (47, 13610206), (94, 6805103), (257, 2489026), (514, 1244513), (12079, 52958), (24158, 26479)]