211433456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 454970880

約数和(自身を除く): 243537424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 103, 104, 139, 142, 206, 208, 278, 284, 412, 556, 568, 824, 923, 1112, 1136, 1339, 1648, 1807, 1846, 2224, 2678, 3614, 3692, 5356, 7228, 7313, 7384, 9869, 10712, 14317, 14456, 14626, 14768, 19738, 21424, 28634, 28912, 29252, 39476, 57268, 58504, 78952, 95069, 114536, 117008, 128297, 157904, 186121, 190138, 229072, 256594, 372242, 380276, 513188, 744484, 760552, 1016507, 1026376, 1488968, 1521104, 2033014, 2052752, 2977936, 4066028, 8132056, 13214591, 16264112, 26429182, 52858364, 105716728, 211433456]

約数ペア:

[(1, 211433456), (2, 105716728), (4, 52858364), (8, 26429182), (13, 16264112), (16, 13214591), (26, 8132056), (52, 4066028), (71, 2977936), (103, 2052752), (104, 2033014), (139, 1521104), (142, 1488968), (206, 1026376), (208, 1016507), (278, 760552), (284, 744484), (412, 513188), (556, 380276), (568, 372242), (824, 256594), (923, 229072), (1112, 190138), (1136, 186121), (1339, 157904), (1648, 128297), (1807, 117008), (1846, 114536), (2224, 95069), (2678, 78952), (3614, 58504), (3692, 57268), (5356, 39476), (7228, 29252), (7313, 28912), (7384, 28634), (9869, 21424), (10712, 19738), (14317, 14768), (14456, 14626)]