16816384

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 37544192

約数和(自身を除く): 20727808

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 163, 208, 248, 256, 326, 403, 416, 496, 652, 806, 832, 992, 1304, 1612, 1664, 1984, 2119, 2608, 3224, 3328, 3968, 4238, 5053, 5216, 6448, 7936, 8476, 10106, 10432, 12896, 16952, 20212, 20864, 25792, 33904, 40424, 41728, 51584, 65689, 67808, 80848, 103168, 131378, 135616, 161696, 262756, 271232, 323392, 525512, 542464, 646784, 1051024, 1293568, 2102048, 4204096, 8408192, 16816384]

約数ペア:

[(1, 16816384), (2, 8408192), (4, 4204096), (8, 2102048), (13, 1293568), (16, 1051024), (26, 646784), (31, 542464), (32, 525512), (52, 323392), (62, 271232), (64, 262756), (104, 161696), (124, 135616), (128, 131378), (163, 103168), (208, 80848), (248, 67808), (256, 65689), (326, 51584), (403, 41728), (416, 40424), (496, 33904), (652, 25792), (806, 20864), (832, 20212), (992, 16952), (1304, 12896), (1612, 10432), (1664, 10106), (1984, 8476), (2119, 7936), (2608, 6448), (3224, 5216), (3328, 5053), (3968, 4238)]