215507152

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:788

約数の個数: 80

約数和(自身を含む): 496468224

約数和(自身を除く): 280961072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 71, 82, 112, 142, 164, 284, 287, 328, 497, 568, 574, 656, 661, 994, 1136, 1148, 1322, 1988, 2296, 2644, 2911, 3976, 4592, 4627, 5288, 5822, 7952, 9254, 10576, 11644, 18508, 20377, 23288, 27101, 37016, 40754, 46576, 46931, 54202, 74032, 81508, 93862, 108404, 163016, 187724, 189707, 216808, 326032, 328517, 375448, 379414, 433616, 657034, 750896, 758828, 1314068, 1517656, 1924171, 2628136, 3035312, 3848342, 5256272, 7696684, 13469197, 15393368, 26938394, 30786736, 53876788, 107753576, 215507152]

約数ペア:

[(1, 215507152), (2, 107753576), (4, 53876788), (7, 30786736), (8, 26938394), (14, 15393368), (16, 13469197), (28, 7696684), (41, 5256272), (56, 3848342), (71, 3035312), (82, 2628136), (112, 1924171), (142, 1517656), (164, 1314068), (284, 758828), (287, 750896), (328, 657034), (497, 433616), (568, 379414), (574, 375448), (656, 328517), (661, 326032), (994, 216808), (1136, 189707), (1148, 187724), (1322, 163016), (1988, 108404), (2296, 93862), (2644, 81508), (2911, 74032), (3976, 54202), (4592, 46931), (4627, 46576), (5288, 40754), (5822, 37016), (7952, 27101), (9254, 23288), (10576, 20377), (11644, 18508)]