1388403726

素因数分解:

$2^1\times 3^1\times {\mathrm{373}}^1\times {\mathrm{620377}}^1$

素因数の和:620755

約数の個数: 16

約数和(自身を含む): 2784256464

約数和(自身を除く): 1395852738

約数列:

[1, 2, 3, 6, 373, 746, 1119, 2238, 620377, 1240754, 1861131, 3722262, 231400621, 462801242, 694201863, 1388403726]

約数ペア:

[(1, 1388403726), (2, 694201863), (3, 462801242), (6, 231400621), (373, 3722262), (746, 1861131), (1119, 1240754), (2238, 620377)]