198408275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{35911}}^1$

素因数の和:35951

約数の個数: 24

約数和(自身を含む): 280544544

約数和(自身を除く): 82136269

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 35911, 179555, 466843, 610487, 897775, 2334215, 3052435, 7936331, 11671075, 15262175, 39681655, 198408275]

約数ペア:

[(1, 198408275), (5, 39681655), (13, 15262175), (17, 11671075), (25, 7936331), (65, 3052435), (85, 2334215), (221, 897775), (325, 610487), (425, 466843), (1105, 179555), (5525, 35911)]