658421345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{557}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 871015680

約数和(自身を除く): 212594335

約数列:

[1, 5, 19, 23, 95, 115, 437, 541, 557, 2185, 2705, 2785, 10279, 10583, 12443, 12811, 51395, 52915, 62215, 64055, 236417, 243409, 301337, 1182085, 1217045, 1506685, 5725403, 6930751, 28627015, 34653755, 131684269, 658421345]

約数ペア:

[(1, 658421345), (5, 131684269), (19, 34653755), (23, 28627015), (95, 6930751), (115, 5725403), (437, 1506685), (541, 1217045), (557, 1182085), (2185, 301337), (2705, 243409), (2785, 236417), (10279, 64055), (10583, 62215), (12443, 52915), (12811, 51395)]