6411578975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{821}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 8604761760

約数和(自身を除く): 2193182785

約数列:

[1, 5, 19, 25, 41, 95, 205, 401, 475, 779, 821, 1025, 2005, 3895, 4105, 7619, 10025, 15599, 16441, 19475, 20525, 33661, 38095, 77995, 82205, 168305, 190475, 312379, 329221, 389975, 411025, 639559, 841525, 1561895, 1646105, 3197795, 6255199, 7809475, 8230525, 13498061, 15988975, 31275995, 67490305, 156379975, 256463159, 337451525, 1282315795, 6411578975]

約数ペア:

[(1, 6411578975), (5, 1282315795), (19, 337451525), (25, 256463159), (41, 156379975), (95, 67490305), (205, 31275995), (401, 15988975), (475, 13498061), (779, 8230525), (821, 7809475), (1025, 6255199), (2005, 3197795), (3895, 1646105), (4105, 1561895), (7619, 841525), (10025, 639559), (15599, 411025), (16441, 389975), (19475, 329221), (20525, 312379), (33661, 190475), (38095, 168305), (77995, 82205)]