81299412

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1811}}^1$

素因数の和:1893

約数の個数: 72

約数和(自身を含む): 217657440

約数和(自身を除く): 136358028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 43, 58, 86, 87, 116, 129, 172, 174, 258, 261, 348, 387, 516, 522, 774, 1044, 1247, 1548, 1811, 2494, 3622, 3741, 4988, 5433, 7244, 7482, 10866, 11223, 14964, 16299, 21732, 22446, 32598, 44892, 52519, 65196, 77873, 105038, 155746, 157557, 210076, 233619, 311492, 315114, 467238, 472671, 630228, 700857, 934476, 945342, 1401714, 1890684, 2258317, 2803428, 4516634, 6774951, 9033268, 13549902, 20324853, 27099804, 40649706, 81299412]

約数ペア:

[(1, 81299412), (2, 40649706), (3, 27099804), (4, 20324853), (6, 13549902), (9, 9033268), (12, 6774951), (18, 4516634), (29, 2803428), (36, 2258317), (43, 1890684), (58, 1401714), (86, 945342), (87, 934476), (116, 700857), (129, 630228), (172, 472671), (174, 467238), (258, 315114), (261, 311492), (348, 233619), (387, 210076), (516, 157557), (522, 155746), (774, 105038), (1044, 77873), (1247, 65196), (1548, 52519), (1811, 44892), (2494, 32598), (3622, 22446), (3741, 21732), (4988, 16299), (5433, 14964), (7244, 11223), (7482, 10866)]