250973177

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 319382784

約数和(自身を除く): 68409607

約数列:

[1, 7, 13, 41, 91, 137, 287, 491, 533, 959, 1781, 3437, 3731, 5617, 6383, 12467, 20131, 39319, 44681, 67267, 73021, 140917, 261703, 470869, 511147, 874471, 1831921, 2757947, 6121297, 19305629, 35853311, 250973177]

約数ペア:

[(1, 250973177), (7, 35853311), (13, 19305629), (41, 6121297), (91, 2757947), (137, 1831921), (287, 874471), (491, 511147), (533, 470869), (959, 261703), (1781, 140917), (3437, 73021), (3731, 67267), (5617, 44681), (6383, 39319), (12467, 20131)]