287988636

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 798753312

約数和(自身を除く): 510764676

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 31, 34, 39, 51, 52, 62, 68, 78, 93, 102, 113, 124, 156, 186, 204, 221, 226, 339, 372, 403, 442, 452, 527, 663, 678, 806, 884, 961, 1054, 1209, 1326, 1356, 1469, 1581, 1612, 1921, 1922, 2108, 2418, 2652, 2883, 2938, 3162, 3503, 3842, 3844, 4407, 4836, 5763, 5766, 5876, 6324, 6851, 7006, 7684, 8814, 10509, 11526, 11532, 12493, 13702, 14012, 16337, 17628, 20553, 21018, 23052, 24973, 24986, 27404, 32674, 37479, 41106, 42036, 45539, 49011, 49946, 49972, 59551, 65348, 74919, 74958, 82212, 91078, 98022, 99892, 108593, 119102, 136617, 149838, 149916, 178653, 182156, 196044, 212381, 217186, 238204, 273234, 299676, 325779, 357306, 424762, 434372, 546468, 637143, 651558, 714612, 774163, 849524, 1274286, 1303116, 1411709, 1548326, 1846081, 2322489, 2548572, 2823418, 3096652, 3692162, 4235127, 4644978, 5538243, 5646836, 7384324, 8470254, 9289956, 11076486, 16940508, 22152972, 23999053, 47998106, 71997159, 95996212, 143994318, 287988636]

約数ペア:

[(1, 287988636), (2, 143994318), (3, 95996212), (4, 71997159), (6, 47998106), (12, 23999053), (13, 22152972), (17, 16940508), (26, 11076486), (31, 9289956), (34, 8470254), (39, 7384324), (51, 5646836), (52, 5538243), (62, 4644978), (68, 4235127), (78, 3692162), (93, 3096652), (102, 2823418), (113, 2548572), (124, 2322489), (156, 1846081), (186, 1548326), (204, 1411709), (221, 1303116), (226, 1274286), (339, 849524), (372, 774163), (403, 714612), (442, 651558), (452, 637143), (527, 546468), (663, 434372), (678, 424762), (806, 357306), (884, 325779), (961, 299676), (1054, 273234), (1209, 238204), (1326, 217186), (1356, 212381), (1469, 196044), (1581, 182156), (1612, 178653), (1921, 149916), (1922, 149838), (2108, 136617), (2418, 119102), (2652, 108593), (2883, 99892), (2938, 98022), (3162, 91078), (3503, 82212), (3842, 74958), (3844, 74919), (4407, 65348), (4836, 59551), (5763, 49972), (5766, 49946), (5876, 49011), (6324, 45539), (6851, 42036), (7006, 41106), (7684, 37479), (8814, 32674), (10509, 27404), (11526, 24986), (11532, 24973), (12493, 23052), (13702, 21018), (14012, 20553), (16337, 17628)]