1628816384

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4011

約数の個数: 88

約数和(自身を含む): 3620537088

約数和(自身を除く): 1991720704

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1024, 1612, 1664, 1984, 3224, 3328, 3947, 3968, 6448, 6656, 7894, 7936, 12896, 13312, 15788, 15872, 25792, 31576, 31744, 51311, 51584, 63152, 102622, 103168, 122357, 126304, 205244, 206336, 244714, 252608, 410488, 412672, 489428, 505216, 820976, 978856, 1010432, 1590641, 1641952, 1957712, 2020864, 3181282, 3283904, 3915424, 4041728, 6362564, 6567808, 7830848, 12725128, 13135616, 15661696, 25450256, 26271232, 31323392, 50900512, 52542464, 62646784, 101801024, 125293568, 203602048, 407204096, 814408192, 1628816384]

約数ペア:

[(1, 1628816384), (2, 814408192), (4, 407204096), (8, 203602048), (13, 125293568), (16, 101801024), (26, 62646784), (31, 52542464), (32, 50900512), (52, 31323392), (62, 26271232), (64, 25450256), (104, 15661696), (124, 13135616), (128, 12725128), (208, 7830848), (248, 6567808), (256, 6362564), (403, 4041728), (416, 3915424), (496, 3283904), (512, 3181282), (806, 2020864), (832, 1957712), (992, 1641952), (1024, 1590641), (1612, 1010432), (1664, 978856), (1984, 820976), (3224, 505216), (3328, 489428), (3947, 412672), (3968, 410488), (6448, 252608), (6656, 244714), (7894, 206336), (7936, 205244), (12896, 126304), (13312, 122357), (15788, 103168), (15872, 102622), (25792, 63152), (31576, 51584), (31744, 51311)]