263367897

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 386104320

約数和(自身を除く): 122736423

約数列:

[1, 3, 13, 39, 71, 213, 227, 419, 681, 923, 1257, 2769, 2951, 5447, 8853, 16117, 16341, 29749, 48351, 89247, 95113, 209521, 285339, 386737, 628563, 1160211, 1236469, 3709407, 6753023, 20259069, 87789299, 263367897]

約数ペア:

[(1, 263367897), (3, 87789299), (13, 20259069), (39, 6753023), (71, 3709407), (213, 1236469), (227, 1160211), (419, 628563), (681, 386737), (923, 285339), (1257, 209521), (2769, 95113), (2951, 89247), (5447, 48351), (8853, 29749), (16117, 16341)]