4990378

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:789

約数の個数: 16

約数和(自身を含む): 7812000

約数和(自身を除く): 2821622

約数列:

[1, 2, 29, 58, 139, 278, 619, 1238, 4031, 8062, 17951, 35902, 86041, 172082, 2495189, 4990378]

約数ペア:

[(1, 4990378), (2, 2495189), (29, 172082), (58, 86041), (139, 35902), (278, 17951), (619, 8062), (1238, 4031)]