31719168

素因数分解:

$2^8\times 3^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:391

約数の個数: 144

約数和(自身を含む): 101300640

約数和(自身を除く): 69581472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 256, 288, 312, 351, 353, 384, 416, 432, 468, 576, 624, 702, 706, 768, 832, 864, 936, 1059, 1152, 1248, 1404, 1412, 1664, 1728, 1872, 2118, 2304, 2496, 2808, 2824, 3177, 3328, 3456, 3744, 4236, 4589, 4992, 5616, 5648, 6354, 6912, 7488, 8472, 9178, 9531, 9984, 11232, 11296, 12708, 13767, 14976, 16944, 18356, 19062, 22464, 22592, 25416, 27534, 29952, 33888, 36712, 38124, 41301, 44928, 45184, 50832, 55068, 67776, 73424, 76248, 82602, 89856, 90368, 101664, 110136, 123903, 135552, 146848, 152496, 165204, 203328, 220272, 247806, 271104, 293696, 304992, 330408, 406656, 440544, 495612, 587392, 609984, 660816, 813312, 881088, 991224, 1174784, 1219968, 1321632, 1762176, 1982448, 2439936, 2643264, 3524352, 3964896, 5286528, 7929792, 10573056, 15859584, 31719168]

約数ペア:

[(1, 31719168), (2, 15859584), (3, 10573056), (4, 7929792), (6, 5286528), (8, 3964896), (9, 3524352), (12, 2643264), (13, 2439936), (16, 1982448), (18, 1762176), (24, 1321632), (26, 1219968), (27, 1174784), (32, 991224), (36, 881088), (39, 813312), (48, 660816), (52, 609984), (54, 587392), (64, 495612), (72, 440544), (78, 406656), (96, 330408), (104, 304992), (108, 293696), (117, 271104), (128, 247806), (144, 220272), (156, 203328), (192, 165204), (208, 152496), (216, 146848), (234, 135552), (256, 123903), (288, 110136), (312, 101664), (351, 90368), (353, 89856), (384, 82602), (416, 76248), (432, 73424), (468, 67776), (576, 55068), (624, 50832), (702, 45184), (706, 44928), (768, 41301), (832, 38124), (864, 36712), (936, 33888), (1059, 29952), (1152, 27534), (1248, 25416), (1404, 22592), (1412, 22464), (1664, 19062), (1728, 18356), (1872, 16944), (2118, 14976), (2304, 13767), (2496, 12708), (2808, 11296), (2824, 11232), (3177, 9984), (3328, 9531), (3456, 9178), (3744, 8472), (4236, 7488), (4589, 6912), (4992, 6354), (5616, 5648)]