81806049988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{42518737}}^1$

素因数の和:42518791

約数の個数: 24

約数和(自身を含む): 158339780312

約数和(自身を除く): 76533730324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 42518737, 85037474, 170074948, 552743581, 1105487162, 1573193269, 2210974324, 3146386538, 6292773076, 20451512497, 40903024994, 81806049988]

約数ペア:

[(1, 81806049988), (2, 40903024994), (4, 20451512497), (13, 6292773076), (26, 3146386538), (37, 2210974324), (52, 1573193269), (74, 1105487162), (148, 552743581), (481, 170074948), (962, 85037474), (1924, 42518737)]