81753568

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{196523}}^1$

素因数の和:196546

約数の個数: 24

約数和(自身を含む): 173334168

約数和(自身を除く): 91580600

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 196523, 393046, 786092, 1572184, 2554799, 3144368, 5109598, 6288736, 10219196, 20438392, 40876784, 81753568]

約数ペア:

[(1, 81753568), (2, 40876784), (4, 20438392), (8, 10219196), (13, 6288736), (16, 5109598), (26, 3144368), (32, 2554799), (52, 1572184), (104, 786092), (208, 393046), (416, 196523)]