1258906688

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:764

約数の個数: 84

約数和(自身を含む): 2721985920

約数和(自身を除く): 1463079232

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 239, 338, 416, 478, 487, 676, 832, 956, 974, 1352, 1912, 1948, 2704, 3107, 3824, 3896, 5408, 6214, 6331, 7648, 7792, 10816, 12428, 12662, 15296, 15584, 24856, 25324, 31168, 40391, 49712, 50648, 80782, 82303, 99424, 101296, 116393, 161564, 164606, 198848, 202592, 232786, 323128, 329212, 405184, 465572, 646256, 658424, 931144, 1292512, 1316848, 1513109, 1862288, 2585024, 2633696, 3026218, 3724576, 5267392, 6052436, 7449152, 12104872, 19670417, 24209744, 39340834, 48419488, 78681668, 96838976, 157363336, 314726672, 629453344, 1258906688]

約数ペア:

[(1, 1258906688), (2, 629453344), (4, 314726672), (8, 157363336), (13, 96838976), (16, 78681668), (26, 48419488), (32, 39340834), (52, 24209744), (64, 19670417), (104, 12104872), (169, 7449152), (208, 6052436), (239, 5267392), (338, 3724576), (416, 3026218), (478, 2633696), (487, 2585024), (676, 1862288), (832, 1513109), (956, 1316848), (974, 1292512), (1352, 931144), (1912, 658424), (1948, 646256), (2704, 465572), (3107, 405184), (3824, 329212), (3896, 323128), (5408, 232786), (6214, 202592), (6331, 198848), (7648, 164606), (7792, 161564), (10816, 116393), (12428, 101296), (12662, 99424), (15296, 82303), (15584, 80782), (24856, 50648), (25324, 49712), (31168, 40391)]