12561986

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:833

約数の個数: 16

約数和(自身を含む): 19269600

約数和(自身を除く): 6707614

約数列:

[1, 2, 73, 139, 146, 278, 619, 1238, 10147, 20294, 45187, 86041, 90374, 172082, 6280993, 12561986]

約数ペア:

[(1, 12561986), (2, 6280993), (73, 172082), (139, 90374), (146, 86041), (278, 45187), (619, 20294), (1238, 10147)]