208013312

素因数分解:

$2^{11}\times {\mathrm{13}}^2\times {\mathrm{601}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 451129770

約数和(自身を除く): 243116458

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 512, 601, 676, 832, 1024, 1202, 1352, 1664, 2048, 2404, 2704, 3328, 4808, 5408, 6656, 7813, 9616, 10816, 13312, 15626, 19232, 21632, 26624, 31252, 38464, 43264, 62504, 76928, 86528, 101569, 125008, 153856, 173056, 203138, 250016, 307712, 346112, 406276, 500032, 615424, 812552, 1000064, 1230848, 1625104, 2000128, 3250208, 4000256, 6500416, 8000512, 13000832, 16001024, 26001664, 52003328, 104006656, 208013312]

約数ペア:

[(1, 208013312), (2, 104006656), (4, 52003328), (8, 26001664), (13, 16001024), (16, 13000832), (26, 8000512), (32, 6500416), (52, 4000256), (64, 3250208), (104, 2000128), (128, 1625104), (169, 1230848), (208, 1000064), (256, 812552), (338, 615424), (416, 500032), (512, 406276), (601, 346112), (676, 307712), (832, 250016), (1024, 203138), (1202, 173056), (1352, 153856), (1664, 125008), (2048, 101569), (2404, 86528), (2704, 76928), (3328, 62504), (4808, 43264), (5408, 38464), (6656, 31252), (7813, 26624), (9616, 21632), (10816, 19232), (13312, 15626)]