639626136

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1158743}}^1$

素因数の和:1158775

約数の個数: 32

約数和(自身を含む): 1668591360

約数和(自身を除く): 1028965224

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 1158743, 2317486, 3476229, 4634972, 6952458, 9269944, 13904916, 26651089, 27809832, 53302178, 79953267, 106604356, 159906534, 213208712, 319813068, 639626136]

約数ペア:

[(1, 639626136), (2, 319813068), (3, 213208712), (4, 159906534), (6, 106604356), (8, 79953267), (12, 53302178), (23, 27809832), (24, 26651089), (46, 13904916), (69, 9269944), (92, 6952458), (138, 4634972), (184, 3476229), (276, 2317486), (552, 1158743)]