287209216

素因数分解:

$2^8\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1931}}^1$

素因数の和:2037

約数の個数: 72

約数和(自身を含む): 663433344

約数和(自身を除く): 376224128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 256, 332, 448, 581, 664, 896, 1162, 1328, 1792, 1931, 2324, 2656, 3862, 4648, 5312, 7724, 9296, 10624, 13517, 15448, 18592, 21248, 27034, 30896, 37184, 54068, 61792, 74368, 108136, 123584, 148736, 160273, 216272, 247168, 320546, 432544, 494336, 641092, 865088, 1121911, 1282184, 1730176, 2243822, 2564368, 3460352, 4487644, 5128736, 8975288, 10257472, 17950576, 20514944, 35901152, 41029888, 71802304, 143604608, 287209216]

約数ペア:

[(1, 287209216), (2, 143604608), (4, 71802304), (7, 41029888), (8, 35901152), (14, 20514944), (16, 17950576), (28, 10257472), (32, 8975288), (56, 5128736), (64, 4487644), (83, 3460352), (112, 2564368), (128, 2243822), (166, 1730176), (224, 1282184), (256, 1121911), (332, 865088), (448, 641092), (581, 494336), (664, 432544), (896, 320546), (1162, 247168), (1328, 216272), (1792, 160273), (1931, 148736), (2324, 123584), (2656, 108136), (3862, 74368), (4648, 61792), (5312, 54068), (7724, 37184), (9296, 30896), (10624, 27034), (13517, 21248), (15448, 18592)]