91021645

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 131918976

約数和(自身を除く): 40897331

約数列:

[1, 5, 11, 13, 55, 65, 71, 121, 143, 163, 355, 605, 715, 781, 815, 923, 1573, 1793, 2119, 3905, 4615, 7865, 8591, 8965, 10153, 10595, 11573, 19723, 23309, 42955, 50765, 57865, 98615, 111683, 116545, 127303, 150449, 256399, 558415, 636515, 752245, 1281995, 1400333, 1654939, 7001665, 8274695, 18204329, 91021645]

約数ペア:

[(1, 91021645), (5, 18204329), (11, 8274695), (13, 7001665), (55, 1654939), (65, 1400333), (71, 1281995), (121, 752245), (143, 636515), (163, 558415), (355, 256399), (605, 150449), (715, 127303), (781, 116545), (815, 111683), (923, 98615), (1573, 57865), (1793, 50765), (2119, 42955), (3905, 23309), (4615, 19723), (7865, 11573), (8591, 10595), (8965, 10153)]