221566631986

素因数分解:

$2^1\times 7^1\times {\mathrm{54419}}^1\times {\mathrm{290821}}^1$

素因数の和:345249

約数の個数: 16

約数和(自身を含む): 379836797760

約数和(自身を除く): 158270165774

約数列:

[1, 2, 7, 14, 54419, 108838, 290821, 380933, 581642, 761866, 2035747, 4071494, 15826187999, 31652375998, 110783315993, 221566631986]

約数ペア:

[(1, 221566631986), (2, 110783315993), (7, 31652375998), (14, 15826187999), (54419, 4071494), (108838, 2035747), (290821, 761866), (380933, 581642)]