399986688

素因数分解:

$2^{12}\times 3^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:827

約数の個数: 104

約数和(自身を含む): 1092744928

約数和(自身を除く): 692758240

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 512, 516, 688, 757, 768, 1024, 1032, 1376, 1514, 1536, 2048, 2064, 2271, 2752, 3028, 3072, 4096, 4128, 4542, 5504, 6056, 6144, 8256, 9084, 11008, 12112, 12288, 16512, 18168, 22016, 24224, 32551, 33024, 36336, 44032, 48448, 65102, 66048, 72672, 88064, 96896, 97653, 130204, 132096, 145344, 176128, 193792, 195306, 260408, 264192, 290688, 387584, 390612, 520816, 528384, 581376, 775168, 781224, 1041632, 1162752, 1550336, 1562448, 2083264, 2325504, 3100672, 3124896, 4166528, 4651008, 6249792, 8333056, 9302016, 12499584, 16666112, 24999168, 33332224, 49998336, 66664448, 99996672, 133328896, 199993344, 399986688]

約数ペア:

[(1, 399986688), (2, 199993344), (3, 133328896), (4, 99996672), (6, 66664448), (8, 49998336), (12, 33332224), (16, 24999168), (24, 16666112), (32, 12499584), (43, 9302016), (48, 8333056), (64, 6249792), (86, 4651008), (96, 4166528), (128, 3124896), (129, 3100672), (172, 2325504), (192, 2083264), (256, 1562448), (258, 1550336), (344, 1162752), (384, 1041632), (512, 781224), (516, 775168), (688, 581376), (757, 528384), (768, 520816), (1024, 390612), (1032, 387584), (1376, 290688), (1514, 264192), (1536, 260408), (2048, 195306), (2064, 193792), (2271, 176128), (2752, 145344), (3028, 132096), (3072, 130204), (4096, 97653), (4128, 96896), (4542, 88064), (5504, 72672), (6056, 66048), (6144, 65102), (8256, 48448), (9084, 44032), (11008, 36336), (12112, 33024), (12288, 32551), (16512, 24224), (18168, 22016)]