81592225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 123117120

約数和(自身を除く): 41524895

約数列:

[1, 5, 11, 13, 25, 29, 55, 65, 143, 145, 275, 319, 325, 377, 715, 725, 787, 1595, 1885, 3575, 3935, 4147, 7975, 8657, 9425, 10231, 19675, 20735, 22823, 43285, 51155, 103675, 112541, 114115, 216425, 251053, 255775, 296699, 562705, 570575, 1255265, 1483495, 2813525, 3263689, 6276325, 7417475, 16318445, 81592225]

約数ペア:

[(1, 81592225), (5, 16318445), (11, 7417475), (13, 6276325), (25, 3263689), (29, 2813525), (55, 1483495), (65, 1255265), (143, 570575), (145, 562705), (275, 296699), (319, 255775), (325, 251053), (377, 216425), (715, 114115), (725, 112541), (787, 103675), (1595, 51155), (1885, 43285), (3575, 22823), (3935, 20735), (4147, 19675), (7975, 10231), (8657, 9425)]