219257285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 289578240

約数和(自身を除く): 70320955

約数列:

[1, 5, 13, 65, 89, 151, 251, 445, 755, 1157, 1255, 1963, 3263, 5785, 9815, 13439, 16315, 22339, 37901, 67195, 111695, 174707, 189505, 290407, 492713, 873535, 1452035, 2463565, 3373189, 16865945, 43851457, 219257285]

約数ペア:

[(1, 219257285), (5, 43851457), (13, 16865945), (65, 3373189), (89, 2463565), (151, 1452035), (251, 873535), (445, 492713), (755, 290407), (1157, 189505), (1255, 174707), (1963, 111695), (3263, 67195), (5785, 37901), (9815, 22339), (13439, 16315)]