161954404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{2130979}}^1$

素因数の和:2131002

約数の個数: 12

約数和(自身を含む): 298337200

約数和(自身を除く): 136382796

約数列:

[1, 2, 4, 19, 38, 76, 2130979, 4261958, 8523916, 40488601, 80977202, 161954404]

約数ペア:

[(1, 161954404), (2, 80977202), (4, 40488601), (19, 8523916), (38, 4261958), (76, 2130979)]