1279789918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{653621}}^1$

素因数の和:653723

約数の個数: 16

約数和(自身を含む): 2117735280

約数和(自身を除く): 837945362

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 653621, 1307242, 7189831, 14379662, 58172269, 116344538, 639894959, 1279789918]

約数ペア:

[(1, 1279789918), (2, 639894959), (11, 116344538), (22, 58172269), (89, 14379662), (178, 7189831), (979, 1307242), (1958, 653621)]