263780608

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^3\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 661601920

約数和(自身を除く): 397821312

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 67, 91, 104, 112, 128, 134, 169, 182, 208, 224, 256, 268, 338, 364, 416, 448, 469, 536, 676, 728, 832, 871, 896, 938, 1072, 1183, 1352, 1456, 1664, 1742, 1792, 1876, 2144, 2197, 2366, 2704, 2912, 3328, 3484, 3752, 4288, 4394, 4732, 5408, 5824, 6097, 6968, 7504, 8576, 8788, 9464, 10816, 11323, 11648, 12194, 13936, 15008, 15379, 17152, 17576, 18928, 21632, 22646, 23296, 24388, 27872, 30016, 30758, 35152, 37856, 43264, 45292, 48776, 55744, 60032, 61516, 70304, 75712, 79261, 90584, 97552, 111488, 120064, 123032, 140608, 147199, 151424, 158522, 181168, 195104, 222976, 246064, 281216, 294398, 302848, 317044, 362336, 390208, 492128, 562432, 588796, 634088, 724672, 780416, 984256, 1030393, 1177592, 1268176, 1449344, 1560832, 1968512, 2060786, 2355184, 2536352, 2898688, 3937024, 4121572, 4710368, 5072704, 8243144, 9420736, 10145408, 16486288, 18841472, 20290816, 32972576, 37682944, 65945152, 131890304, 263780608]

約数ペア:

[(1, 263780608), (2, 131890304), (4, 65945152), (7, 37682944), (8, 32972576), (13, 20290816), (14, 18841472), (16, 16486288), (26, 10145408), (28, 9420736), (32, 8243144), (52, 5072704), (56, 4710368), (64, 4121572), (67, 3937024), (91, 2898688), (104, 2536352), (112, 2355184), (128, 2060786), (134, 1968512), (169, 1560832), (182, 1449344), (208, 1268176), (224, 1177592), (256, 1030393), (268, 984256), (338, 780416), (364, 724672), (416, 634088), (448, 588796), (469, 562432), (536, 492128), (676, 390208), (728, 362336), (832, 317044), (871, 302848), (896, 294398), (938, 281216), (1072, 246064), (1183, 222976), (1352, 195104), (1456, 181168), (1664, 158522), (1742, 151424), (1792, 147199), (1876, 140608), (2144, 123032), (2197, 120064), (2366, 111488), (2704, 97552), (2912, 90584), (3328, 79261), (3484, 75712), (3752, 70304), (4288, 61516), (4394, 60032), (4732, 55744), (5408, 48776), (5824, 45292), (6097, 43264), (6968, 37856), (7504, 35152), (8576, 30758), (8788, 30016), (9464, 27872), (10816, 24388), (11323, 23296), (11648, 22646), (12194, 21632), (13936, 18928), (15008, 17576), (15379, 17152)]