71223856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 80

約数和(自身を含む): 161596800

約数和(自身を除く): 90372944

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 59, 76, 88, 118, 152, 176, 209, 236, 304, 361, 418, 472, 649, 722, 836, 944, 1121, 1298, 1444, 1672, 2242, 2596, 2888, 3344, 3971, 4484, 5192, 5776, 6859, 7942, 8968, 10384, 12331, 13718, 15884, 17936, 21299, 24662, 27436, 31768, 42598, 49324, 54872, 63536, 75449, 85196, 98648, 109744, 150898, 170392, 197296, 234289, 301796, 340784, 404681, 468578, 603592, 809362, 937156, 1207184, 1618724, 1874312, 3237448, 3748624, 4451491, 6474896, 8902982, 17805964, 35611928, 71223856]

約数ペア:

[(1, 71223856), (2, 35611928), (4, 17805964), (8, 8902982), (11, 6474896), (16, 4451491), (19, 3748624), (22, 3237448), (38, 1874312), (44, 1618724), (59, 1207184), (76, 937156), (88, 809362), (118, 603592), (152, 468578), (176, 404681), (209, 340784), (236, 301796), (304, 234289), (361, 197296), (418, 170392), (472, 150898), (649, 109744), (722, 98648), (836, 85196), (944, 75449), (1121, 63536), (1298, 54872), (1444, 49324), (1672, 42598), (2242, 31768), (2596, 27436), (2888, 24662), (3344, 21299), (3971, 17936), (4484, 15884), (5192, 13718), (5776, 12331), (6859, 10384), (7942, 8968)]