12991047025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{26347}}^1$

素因数の和:26542

約数の個数: 36

約数和(自身を含む): 17815779856

約数和(自身を除く): 4824732831

約数列:

[1, 5, 11, 25, 55, 121, 163, 275, 605, 815, 1793, 3025, 4075, 8965, 19723, 26347, 44825, 98615, 131735, 289817, 493075, 658675, 1449085, 3187987, 4294561, 7245425, 15939935, 21472805, 47240171, 79699675, 107364025, 236200855, 519641881, 1181004275, 2598209405, 12991047025]

約数ペア:

[(1, 12991047025), (5, 2598209405), (11, 1181004275), (25, 519641881), (55, 236200855), (121, 107364025), (163, 79699675), (275, 47240171), (605, 21472805), (815, 15939935), (1793, 7245425), (3025, 4294561), (4075, 3187987), (8965, 1449085), (19723, 658675), (26347, 493075), (44825, 289817), (98615, 131735)]