257739456

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3331}}^1$

素因数の和:3390

約数の個数: 112

約数和(自身を含む): 758309888

約数和(自身を除く): 500570432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 156, 186, 192, 208, 248, 312, 372, 403, 416, 496, 624, 744, 806, 832, 992, 1209, 1248, 1488, 1612, 1984, 2418, 2496, 2976, 3224, 3331, 4836, 5952, 6448, 6662, 9672, 9993, 12896, 13324, 19344, 19986, 25792, 26648, 38688, 39972, 43303, 53296, 77376, 79944, 86606, 103261, 106592, 129909, 159888, 173212, 206522, 213184, 259818, 309783, 319776, 346424, 413044, 519636, 619566, 639552, 692848, 826088, 1039272, 1239132, 1342393, 1385696, 1652176, 2078544, 2478264, 2684786, 2771392, 3304352, 4027179, 4157088, 4956528, 5369572, 6608704, 8054358, 8314176, 9913056, 10739144, 16108716, 19826112, 21478288, 32217432, 42956576, 64434864, 85913152, 128869728, 257739456]

約数ペア:

[(1, 257739456), (2, 128869728), (3, 85913152), (4, 64434864), (6, 42956576), (8, 32217432), (12, 21478288), (13, 19826112), (16, 16108716), (24, 10739144), (26, 9913056), (31, 8314176), (32, 8054358), (39, 6608704), (48, 5369572), (52, 4956528), (62, 4157088), (64, 4027179), (78, 3304352), (93, 2771392), (96, 2684786), (104, 2478264), (124, 2078544), (156, 1652176), (186, 1385696), (192, 1342393), (208, 1239132), (248, 1039272), (312, 826088), (372, 692848), (403, 639552), (416, 619566), (496, 519636), (624, 413044), (744, 346424), (806, 319776), (832, 309783), (992, 259818), (1209, 213184), (1248, 206522), (1488, 173212), (1612, 159888), (1984, 129909), (2418, 106592), (2496, 103261), (2976, 86606), (3224, 79944), (3331, 77376), (4836, 53296), (5952, 43303), (6448, 39972), (6662, 38688), (9672, 26648), (9993, 25792), (12896, 19986), (13324, 19344)]