259367056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 566463744

約数和(自身を除く): 307096688

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 47, 52, 86, 94, 104, 172, 188, 208, 344, 376, 559, 611, 617, 688, 752, 1118, 1222, 1234, 2021, 2236, 2444, 2468, 4042, 4472, 4888, 4936, 8021, 8084, 8944, 9776, 9872, 16042, 16168, 26273, 26531, 28999, 32084, 32336, 52546, 53062, 57998, 64168, 105092, 106124, 115996, 128336, 210184, 212248, 231992, 344903, 376987, 420368, 424496, 463984, 689806, 753974, 1246957, 1379612, 1507948, 2493914, 2759224, 3015896, 4987828, 5518448, 6031792, 9975656, 16210441, 19951312, 32420882, 64841764, 129683528, 259367056]

約数ペア:

[(1, 259367056), (2, 129683528), (4, 64841764), (8, 32420882), (13, 19951312), (16, 16210441), (26, 9975656), (43, 6031792), (47, 5518448), (52, 4987828), (86, 3015896), (94, 2759224), (104, 2493914), (172, 1507948), (188, 1379612), (208, 1246957), (344, 753974), (376, 689806), (559, 463984), (611, 424496), (617, 420368), (688, 376987), (752, 344903), (1118, 231992), (1222, 212248), (1234, 210184), (2021, 128336), (2236, 115996), (2444, 106124), (2468, 105092), (4042, 64168), (4472, 57998), (4888, 53062), (4936, 52546), (8021, 32336), (8084, 32084), (8944, 28999), (9776, 26531), (9872, 26273), (16042, 16168)]