129448004

素因数分解:

$2^2\times 7^2\times {\mathrm{660449}}^1$

素因数の和:660467

約数の個数: 18

約数和(自身を含む): 263519550

約数和(自身を除く): 134071546

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 660449, 1320898, 2641796, 4623143, 9246286, 18492572, 32362001, 64724002, 129448004]

約数ペア:

[(1, 129448004), (2, 64724002), (4, 32362001), (7, 18492572), (14, 9246286), (28, 4623143), (49, 2641796), (98, 1320898), (196, 660449)]