258859328

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^3\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 112

約数和(自身を含む): 638373120

約数和(自身を除く): 379513792

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 169, 182, 208, 224, 263, 338, 364, 416, 448, 526, 676, 728, 832, 1052, 1183, 1352, 1456, 1841, 2104, 2197, 2366, 2704, 2912, 3419, 3682, 4208, 4394, 4732, 5408, 5824, 6838, 7364, 8416, 8788, 9464, 10816, 13676, 14728, 15379, 16832, 17576, 18928, 23933, 27352, 29456, 30758, 35152, 37856, 44447, 47866, 54704, 58912, 61516, 70304, 75712, 88894, 95732, 109408, 117824, 123032, 140608, 177788, 191464, 218816, 246064, 311129, 355576, 382928, 492128, 577811, 622258, 711152, 765856, 984256, 1155622, 1244516, 1422304, 1531712, 2311244, 2489032, 2844608, 4044677, 4622488, 4978064, 8089354, 9244976, 9956128, 16178708, 18489952, 19912256, 32357416, 36979904, 64714832, 129429664, 258859328]

約数ペア:

[(1, 258859328), (2, 129429664), (4, 64714832), (7, 36979904), (8, 32357416), (13, 19912256), (14, 18489952), (16, 16178708), (26, 9956128), (28, 9244976), (32, 8089354), (52, 4978064), (56, 4622488), (64, 4044677), (91, 2844608), (104, 2489032), (112, 2311244), (169, 1531712), (182, 1422304), (208, 1244516), (224, 1155622), (263, 984256), (338, 765856), (364, 711152), (416, 622258), (448, 577811), (526, 492128), (676, 382928), (728, 355576), (832, 311129), (1052, 246064), (1183, 218816), (1352, 191464), (1456, 177788), (1841, 140608), (2104, 123032), (2197, 117824), (2366, 109408), (2704, 95732), (2912, 88894), (3419, 75712), (3682, 70304), (4208, 61516), (4394, 58912), (4732, 54704), (5408, 47866), (5824, 44447), (6838, 37856), (7364, 35152), (8416, 30758), (8788, 29456), (9464, 27352), (10816, 23933), (13676, 18928), (14728, 17576), (15379, 16832)]