7995409825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{21599}}^1$

素因数の和:21706

約数の個数: 48

約数和(自身を含む): 11474265600

約数和(自身を除く): 3478855775

約数列:

[1, 5, 13, 17, 25, 65, 67, 85, 221, 325, 335, 425, 871, 1105, 1139, 1675, 4355, 5525, 5695, 14807, 21599, 21775, 28475, 74035, 107995, 280787, 367183, 370175, 539975, 1403935, 1447133, 1835915, 4773379, 7019675, 7235665, 9179575, 18812729, 23866895, 24601261, 36178325, 94063645, 119334475, 123006305, 319816393, 470318225, 615031525, 1599081965, 7995409825]

約数ペア:

[(1, 7995409825), (5, 1599081965), (13, 615031525), (17, 470318225), (25, 319816393), (65, 123006305), (67, 119334475), (85, 94063645), (221, 36178325), (325, 24601261), (335, 23866895), (425, 18812729), (871, 9179575), (1105, 7235665), (1139, 7019675), (1675, 4773379), (4355, 1835915), (5525, 1447133), (5695, 1403935), (14807, 539975), (21599, 370175), (21775, 367183), (28475, 280787), (74035, 107995)]