210505984

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1543

約数の個数: 72

約数和(自身を含む): 463350272

約数和(自身を除く): 252844288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 256, 344, 416, 559, 688, 832, 1118, 1376, 1471, 1664, 2236, 2752, 2942, 3328, 4472, 5504, 5884, 8944, 11008, 11768, 17888, 19123, 23536, 35776, 38246, 47072, 63253, 71552, 76492, 94144, 126506, 143104, 152984, 188288, 253012, 305968, 376576, 506024, 611936, 822289, 1012048, 1223872, 1644578, 2024096, 2447744, 3289156, 4048192, 4895488, 6578312, 8096384, 13156624, 16192768, 26313248, 52626496, 105252992, 210505984]

約数ペア:

[(1, 210505984), (2, 105252992), (4, 52626496), (8, 26313248), (13, 16192768), (16, 13156624), (26, 8096384), (32, 6578312), (43, 4895488), (52, 4048192), (64, 3289156), (86, 2447744), (104, 2024096), (128, 1644578), (172, 1223872), (208, 1012048), (256, 822289), (344, 611936), (416, 506024), (559, 376576), (688, 305968), (832, 253012), (1118, 188288), (1376, 152984), (1471, 143104), (1664, 126506), (2236, 94144), (2752, 76492), (2942, 71552), (3328, 63253), (4472, 47072), (5504, 38246), (5884, 35776), (8944, 23536), (11008, 19123), (11768, 17888)]