209746290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{537811}}^1$

素因数の和:537834

約数の個数: 32

約数和(自身を含む): 542114496

約数和(自身を除く): 332368206

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 537811, 1075622, 1613433, 2689055, 3226866, 5378110, 6991543, 8067165, 13983086, 16134330, 20974629, 34957715, 41949258, 69915430, 104873145, 209746290]

約数ペア:

[(1, 209746290), (2, 104873145), (3, 69915430), (5, 41949258), (6, 34957715), (10, 20974629), (13, 16134330), (15, 13983086), (26, 8067165), (30, 6991543), (39, 5378110), (65, 3226866), (78, 2689055), (130, 1613433), (195, 1075622), (390, 537811)]