289392688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1213}}^1$

素因数の和:1302

約数の個数: 80

約数和(自身を含む): 640681216

約数和(自身を除く): 351288528

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 37, 52, 62, 74, 104, 124, 148, 208, 248, 296, 403, 481, 496, 592, 806, 962, 1147, 1213, 1612, 1924, 2294, 2426, 3224, 3848, 4588, 4852, 6448, 7696, 9176, 9704, 14911, 15769, 18352, 19408, 29822, 31538, 37603, 44881, 59644, 63076, 75206, 89762, 119288, 126152, 150412, 179524, 238576, 252304, 300824, 359048, 488839, 583453, 601648, 718096, 977678, 1166906, 1391311, 1955356, 2333812, 2782622, 3910712, 4667624, 5565244, 7821424, 9335248, 11130488, 18087043, 22260976, 36174086, 72348172, 144696344, 289392688]

約数ペア:

[(1, 289392688), (2, 144696344), (4, 72348172), (8, 36174086), (13, 22260976), (16, 18087043), (26, 11130488), (31, 9335248), (37, 7821424), (52, 5565244), (62, 4667624), (74, 3910712), (104, 2782622), (124, 2333812), (148, 1955356), (208, 1391311), (248, 1166906), (296, 977678), (403, 718096), (481, 601648), (496, 583453), (592, 488839), (806, 359048), (962, 300824), (1147, 252304), (1213, 238576), (1612, 179524), (1924, 150412), (2294, 126152), (2426, 119288), (3224, 89762), (3848, 75206), (4588, 63076), (4852, 59644), (6448, 44881), (7696, 37603), (9176, 31538), (9704, 29822), (14911, 19408), (15769, 18352)]