398852913

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{709}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 575815680

約数和(自身を除く): 176962767

約数列:

[1, 3, 23, 31, 69, 93, 263, 709, 713, 789, 2127, 2139, 6049, 8153, 16307, 18147, 21979, 24459, 48921, 65937, 186467, 187519, 505517, 559401, 562557, 1516551, 4288741, 5780477, 12866223, 17341431, 132950971, 398852913]

約数ペア:

[(1, 398852913), (3, 132950971), (23, 17341431), (31, 12866223), (69, 5780477), (93, 4288741), (263, 1516551), (709, 562557), (713, 559401), (789, 505517), (2127, 187519), (2139, 186467), (6049, 65937), (8153, 48921), (16307, 24459), (18147, 21979)]