209405248

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:432

約数の個数: 112

約数和(自身を含む): 483388416

約数和(自身を除く): 273983168

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 32, 46, 52, 62, 64, 92, 104, 124, 184, 208, 248, 299, 353, 368, 403, 416, 496, 598, 706, 713, 736, 806, 832, 992, 1196, 1412, 1426, 1472, 1612, 1984, 2392, 2824, 2852, 3224, 4589, 4784, 5648, 5704, 6448, 8119, 9178, 9269, 9568, 10943, 11296, 11408, 12896, 16238, 18356, 18538, 19136, 21886, 22592, 22816, 25792, 32476, 36712, 37076, 43772, 45632, 64952, 73424, 74152, 87544, 105547, 129904, 142259, 146848, 148304, 175088, 211094, 251689, 259808, 284518, 293696, 296608, 350176, 422188, 503378, 519616, 569036, 593216, 700352, 844376, 1006756, 1138072, 1688752, 2013512, 2276144, 3271957, 3377504, 4027024, 4552288, 6543914, 6755008, 8054048, 9104576, 13087828, 16108096, 26175656, 52351312, 104702624, 209405248]

約数ペア:

[(1, 209405248), (2, 104702624), (4, 52351312), (8, 26175656), (13, 16108096), (16, 13087828), (23, 9104576), (26, 8054048), (31, 6755008), (32, 6543914), (46, 4552288), (52, 4027024), (62, 3377504), (64, 3271957), (92, 2276144), (104, 2013512), (124, 1688752), (184, 1138072), (208, 1006756), (248, 844376), (299, 700352), (353, 593216), (368, 569036), (403, 519616), (416, 503378), (496, 422188), (598, 350176), (706, 296608), (713, 293696), (736, 284518), (806, 259808), (832, 251689), (992, 211094), (1196, 175088), (1412, 148304), (1426, 146848), (1472, 142259), (1612, 129904), (1984, 105547), (2392, 87544), (2824, 74152), (2852, 73424), (3224, 64952), (4589, 45632), (4784, 43772), (5648, 37076), (5704, 36712), (6448, 32476), (8119, 25792), (9178, 22816), (9269, 22592), (9568, 21886), (10943, 19136), (11296, 18538), (11408, 18356), (12896, 16238)]