505804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 973728

約数和(自身を除く): 467924

約数列:

[1, 2, 4, 13, 26, 52, 71, 137, 142, 274, 284, 548, 923, 1781, 1846, 3562, 3692, 7124, 9727, 19454, 38908, 126451, 252902, 505804]

約数ペア:

[(1, 505804), (2, 252902), (4, 126451), (13, 38908), (26, 19454), (52, 9727), (71, 7124), (137, 3692), (142, 3562), (274, 1846), (284, 1781), (548, 923)]