81251016

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{571}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 260179920

約数和(自身を除く): 178928904

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 49, 56, 66, 77, 84, 88, 98, 121, 132, 147, 154, 168, 196, 231, 242, 264, 294, 308, 363, 392, 462, 484, 539, 571, 588, 616, 726, 847, 924, 968, 1078, 1142, 1176, 1452, 1617, 1694, 1713, 1848, 2156, 2284, 2541, 2904, 3234, 3388, 3426, 3997, 4312, 4568, 5082, 5929, 6281, 6468, 6776, 6852, 7994, 10164, 11858, 11991, 12562, 12936, 13704, 15988, 17787, 18843, 20328, 23716, 23982, 25124, 27979, 31976, 35574, 37686, 43967, 47432, 47964, 50248, 55958, 69091, 71148, 75372, 83937, 87934, 95928, 111916, 131901, 138182, 142296, 150744, 167874, 175868, 207273, 223832, 263802, 276364, 307769, 335748, 351736, 414546, 483637, 527604, 552728, 615538, 671496, 829092, 923307, 967274, 1055208, 1231076, 1450911, 1658184, 1846614, 1934548, 2462152, 2901822, 3385459, 3693228, 3869096, 5803644, 6770918, 7386456, 10156377, 11607288, 13541836, 20312754, 27083672, 40625508, 81251016]

約数ペア:

[(1, 81251016), (2, 40625508), (3, 27083672), (4, 20312754), (6, 13541836), (7, 11607288), (8, 10156377), (11, 7386456), (12, 6770918), (14, 5803644), (21, 3869096), (22, 3693228), (24, 3385459), (28, 2901822), (33, 2462152), (42, 1934548), (44, 1846614), (49, 1658184), (56, 1450911), (66, 1231076), (77, 1055208), (84, 967274), (88, 923307), (98, 829092), (121, 671496), (132, 615538), (147, 552728), (154, 527604), (168, 483637), (196, 414546), (231, 351736), (242, 335748), (264, 307769), (294, 276364), (308, 263802), (363, 223832), (392, 207273), (462, 175868), (484, 167874), (539, 150744), (571, 142296), (588, 138182), (616, 131901), (726, 111916), (847, 95928), (924, 87934), (968, 83937), (1078, 75372), (1142, 71148), (1176, 69091), (1452, 55958), (1617, 50248), (1694, 47964), (1713, 47432), (1848, 43967), (2156, 37686), (2284, 35574), (2541, 31976), (2904, 27979), (3234, 25124), (3388, 23982), (3426, 23716), (3997, 20328), (4312, 18843), (4568, 17787), (5082, 15988), (5929, 13704), (6281, 12936), (6468, 12562), (6776, 11991), (6852, 11858), (7994, 10164)]