219345412

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 461716416

約数和(自身を除く): 242371004

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 121, 142, 143, 242, 284, 286, 484, 491, 572, 781, 923, 982, 1562, 1573, 1846, 1964, 3124, 3146, 3692, 5401, 6292, 6383, 8591, 10153, 10802, 12766, 17182, 20306, 21604, 25532, 34364, 34861, 40612, 59411, 69722, 70213, 111683, 118822, 139444, 140426, 223366, 237644, 280852, 383471, 446732, 453193, 766942, 772343, 906386, 1533884, 1544686, 1812772, 3089372, 4218181, 4985123, 8436362, 9970246, 16872724, 19940492, 54836353, 109672706, 219345412]

約数ペア:

[(1, 219345412), (2, 109672706), (4, 54836353), (11, 19940492), (13, 16872724), (22, 9970246), (26, 8436362), (44, 4985123), (52, 4218181), (71, 3089372), (121, 1812772), (142, 1544686), (143, 1533884), (242, 906386), (284, 772343), (286, 766942), (484, 453193), (491, 446732), (572, 383471), (781, 280852), (923, 237644), (982, 223366), (1562, 140426), (1573, 139444), (1846, 118822), (1964, 111683), (3124, 70213), (3146, 69722), (3692, 59411), (5401, 40612), (6292, 34861), (6383, 34364), (8591, 25532), (10153, 21604), (10802, 20306), (12766, 17182)]