247007488

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 634588416

約数和(自身を除く): 387580928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 64, 91, 92, 104, 112, 128, 161, 182, 184, 208, 224, 256, 299, 322, 364, 368, 416, 448, 461, 598, 644, 728, 736, 832, 896, 922, 1196, 1288, 1456, 1472, 1664, 1792, 1844, 2093, 2392, 2576, 2912, 2944, 3227, 3328, 3688, 4186, 4784, 5152, 5824, 5888, 5993, 6454, 7376, 8372, 9568, 10304, 10603, 11648, 11986, 12908, 14752, 16744, 19136, 20608, 21206, 23296, 23972, 25816, 29504, 33488, 38272, 41216, 41951, 42412, 47944, 51632, 59008, 66976, 74221, 76544, 83902, 84824, 95888, 103264, 118016, 133952, 137839, 148442, 167804, 169648, 191776, 206528, 267904, 275678, 296884, 335608, 339296, 383552, 413056, 535808, 551356, 593768, 671216, 678592, 767104, 826112, 964873, 1102712, 1187536, 1342432, 1357184, 1534208, 1929746, 2205424, 2375072, 2684864, 2714368, 3859492, 4410848, 4750144, 5369728, 7718984, 8821696, 9500288, 10739456, 15437968, 17643392, 19000576, 30875936, 35286784, 61751872, 123503744, 247007488]

約数ペア:

[(1, 247007488), (2, 123503744), (4, 61751872), (7, 35286784), (8, 30875936), (13, 19000576), (14, 17643392), (16, 15437968), (23, 10739456), (26, 9500288), (28, 8821696), (32, 7718984), (46, 5369728), (52, 4750144), (56, 4410848), (64, 3859492), (91, 2714368), (92, 2684864), (104, 2375072), (112, 2205424), (128, 1929746), (161, 1534208), (182, 1357184), (184, 1342432), (208, 1187536), (224, 1102712), (256, 964873), (299, 826112), (322, 767104), (364, 678592), (368, 671216), (416, 593768), (448, 551356), (461, 535808), (598, 413056), (644, 383552), (728, 339296), (736, 335608), (832, 296884), (896, 275678), (922, 267904), (1196, 206528), (1288, 191776), (1456, 169648), (1472, 167804), (1664, 148442), (1792, 137839), (1844, 133952), (2093, 118016), (2392, 103264), (2576, 95888), (2912, 84824), (2944, 83902), (3227, 76544), (3328, 74221), (3688, 66976), (4186, 59008), (4784, 51632), (5152, 47944), (5824, 42412), (5888, 41951), (5993, 41216), (6454, 38272), (7376, 33488), (8372, 29504), (9568, 25816), (10304, 23972), (10603, 23296), (11648, 21206), (11986, 20608), (12908, 19136), (14752, 16744)]