42378049

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 49420800

約数和(自身を除く): 7042751

約数列:

[1, 7, 79, 197, 389, 553, 1379, 2723, 15563, 30731, 76633, 108941, 215117, 536431, 6054007, 42378049]

約数ペア:

[(1, 42378049), (7, 6054007), (79, 536431), (197, 215117), (389, 108941), (553, 76633), (1379, 30731), (2723, 15563)]