254543744

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^2$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 643230360

約数和(自身を除く): 388686616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 41, 52, 56, 64, 82, 91, 104, 112, 128, 164, 169, 182, 208, 224, 287, 328, 338, 364, 416, 448, 533, 574, 656, 676, 728, 832, 896, 1066, 1148, 1183, 1312, 1352, 1456, 1664, 1681, 2132, 2296, 2366, 2624, 2704, 2912, 3362, 3731, 4264, 4592, 4732, 5248, 5408, 5824, 6724, 6929, 7462, 8528, 9184, 9464, 10816, 11648, 11767, 13448, 13858, 14924, 17056, 18368, 18928, 21632, 21853, 23534, 26896, 27716, 29848, 34112, 36736, 37856, 43706, 47068, 48503, 53792, 55432, 59696, 68224, 75712, 87412, 94136, 97006, 107584, 110864, 119392, 151424, 152971, 174824, 188272, 194012, 215168, 221728, 238784, 284089, 305942, 349648, 376544, 388024, 443456, 477568, 568178, 611884, 699296, 753088, 776048, 886912, 1136356, 1223768, 1398592, 1506176, 1552096, 1988623, 2272712, 2447536, 2797184, 3104192, 3977246, 4545424, 4895072, 6208384, 7954492, 9090848, 9790144, 15908984, 18181696, 19580288, 31817968, 36363392, 63635936, 127271872, 254543744]

約数ペア:

[(1, 254543744), (2, 127271872), (4, 63635936), (7, 36363392), (8, 31817968), (13, 19580288), (14, 18181696), (16, 15908984), (26, 9790144), (28, 9090848), (32, 7954492), (41, 6208384), (52, 4895072), (56, 4545424), (64, 3977246), (82, 3104192), (91, 2797184), (104, 2447536), (112, 2272712), (128, 1988623), (164, 1552096), (169, 1506176), (182, 1398592), (208, 1223768), (224, 1136356), (287, 886912), (328, 776048), (338, 753088), (364, 699296), (416, 611884), (448, 568178), (533, 477568), (574, 443456), (656, 388024), (676, 376544), (728, 349648), (832, 305942), (896, 284089), (1066, 238784), (1148, 221728), (1183, 215168), (1312, 194012), (1352, 188272), (1456, 174824), (1664, 152971), (1681, 151424), (2132, 119392), (2296, 110864), (2366, 107584), (2624, 97006), (2704, 94136), (2912, 87412), (3362, 75712), (3731, 68224), (4264, 59696), (4592, 55432), (4732, 53792), (5248, 48503), (5408, 47068), (5824, 43706), (6724, 37856), (6929, 36736), (7462, 34112), (8528, 29848), (9184, 27716), (9464, 26896), (10816, 23534), (11648, 21853), (11767, 21632), (13448, 18928), (13858, 18368), (14924, 17056)]