204523904

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6469}}^1$

素因数の和:6515

約数の個数: 64

約数和(自身を含む): 461958000

約数和(自身を除く): 257434096

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1664, 1976, 2432, 3952, 6469, 7904, 12938, 15808, 25876, 31616, 51752, 84097, 103504, 122911, 168194, 207008, 245822, 336388, 414016, 491644, 672776, 828032, 983288, 1345552, 1597843, 1966576, 2691104, 3195686, 3933152, 5382208, 6391372, 7866304, 10764416, 12782744, 15732608, 25565488, 51130976, 102261952, 204523904]

約数ペア:

[(1, 204523904), (2, 102261952), (4, 51130976), (8, 25565488), (13, 15732608), (16, 12782744), (19, 10764416), (26, 7866304), (32, 6391372), (38, 5382208), (52, 3933152), (64, 3195686), (76, 2691104), (104, 1966576), (128, 1597843), (152, 1345552), (208, 983288), (247, 828032), (304, 672776), (416, 491644), (494, 414016), (608, 336388), (832, 245822), (988, 207008), (1216, 168194), (1664, 122911), (1976, 103504), (2432, 84097), (3952, 51752), (6469, 31616), (7904, 25876), (12938, 15808)]