21622989025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{47857}}^1$

素因数の和:47962

約数の個数: 48

約数和(自身を含む): 30763888128

約数和(自身を除く): 9140899103

約数列:

[1, 5, 11, 25, 31, 53, 55, 155, 265, 275, 341, 583, 775, 1325, 1643, 1705, 2915, 8215, 8525, 14575, 18073, 41075, 47857, 90365, 239285, 451825, 526427, 1196425, 1483567, 2536421, 2632135, 7417835, 12682105, 13160675, 16319237, 27900631, 37089175, 63410525, 78629051, 81596185, 139503155, 393145255, 407980925, 697515775, 864919561, 1965726275, 4324597805, 21622989025]

約数ペア:

[(1, 21622989025), (5, 4324597805), (11, 1965726275), (25, 864919561), (31, 697515775), (53, 407980925), (55, 393145255), (155, 139503155), (265, 81596185), (275, 78629051), (341, 63410525), (583, 37089175), (775, 27900631), (1325, 16319237), (1643, 13160675), (1705, 12682105), (2915, 7417835), (8215, 2632135), (8525, 2536421), (14575, 1483567), (18073, 1196425), (41075, 526427), (47857, 451825), (90365, 239285)]