439857388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 864815616

約数和(自身を除く): 424958228

約数列:

[1, 2, 4, 17, 31, 34, 53, 62, 68, 106, 124, 127, 212, 254, 508, 527, 901, 961, 1054, 1643, 1802, 1922, 2108, 2159, 3286, 3604, 3844, 3937, 4318, 6572, 6731, 7874, 8636, 13462, 15748, 16337, 26924, 27931, 32674, 50933, 55862, 65348, 66929, 101866, 111724, 114427, 122047, 133858, 203732, 208661, 228854, 244094, 267716, 417322, 457708, 488188, 834644, 865861, 1731722, 2074799, 3463444, 3547237, 4149598, 6468491, 7094474, 8299196, 12936982, 14188948, 25873964, 109964347, 219928694, 439857388]

約数ペア:

[(1, 439857388), (2, 219928694), (4, 109964347), (17, 25873964), (31, 14188948), (34, 12936982), (53, 8299196), (62, 7094474), (68, 6468491), (106, 4149598), (124, 3547237), (127, 3463444), (212, 2074799), (254, 1731722), (508, 865861), (527, 834644), (901, 488188), (961, 457708), (1054, 417322), (1643, 267716), (1802, 244094), (1922, 228854), (2108, 208661), (2159, 203732), (3286, 133858), (3604, 122047), (3844, 114427), (3937, 111724), (4318, 101866), (6572, 66929), (6731, 65348), (7874, 55862), (8636, 50933), (13462, 32674), (15748, 27931), (16337, 26924)]