7840768

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 88

約数和(自身を含む): 18341120

約数和(自身を除く): 10500352

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 64, 76, 104, 124, 128, 152, 208, 247, 248, 256, 304, 403, 416, 494, 496, 512, 589, 608, 806, 832, 988, 992, 1024, 1178, 1216, 1612, 1664, 1976, 1984, 2356, 2432, 3224, 3328, 3952, 3968, 4712, 4864, 6448, 6656, 7657, 7904, 7936, 9424, 9728, 12896, 13312, 15314, 15808, 15872, 18848, 19456, 25792, 30628, 31616, 31744, 37696, 51584, 61256, 63232, 75392, 103168, 122512, 126464, 150784, 206336, 245024, 252928, 301568, 412672, 490048, 603136, 980096, 1960192, 3920384, 7840768]

約数ペア:

[(1, 7840768), (2, 3920384), (4, 1960192), (8, 980096), (13, 603136), (16, 490048), (19, 412672), (26, 301568), (31, 252928), (32, 245024), (38, 206336), (52, 150784), (62, 126464), (64, 122512), (76, 103168), (104, 75392), (124, 63232), (128, 61256), (152, 51584), (208, 37696), (247, 31744), (248, 31616), (256, 30628), (304, 25792), (403, 19456), (416, 18848), (494, 15872), (496, 15808), (512, 15314), (589, 13312), (608, 12896), (806, 9728), (832, 9424), (988, 7936), (992, 7904), (1024, 7657), (1178, 6656), (1216, 6448), (1612, 4864), (1664, 4712), (1976, 3968), (1984, 3952), (2356, 3328), (2432, 3224)]