256650488

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 521579520

約数和(自身を除く): 264929032

約数列:

[1, 2, 4, 8, 31, 41, 43, 62, 82, 86, 124, 164, 172, 248, 328, 344, 587, 1174, 1271, 1333, 1763, 2348, 2542, 2666, 3526, 4696, 5084, 5332, 7052, 10168, 10664, 14104, 18197, 24067, 25241, 36394, 48134, 50482, 54653, 72788, 96268, 100964, 109306, 145576, 192536, 201928, 218612, 437224, 746077, 782471, 1034881, 1492154, 1564942, 2069762, 2984308, 3129884, 4139524, 5968616, 6259768, 8279048, 32081311, 64162622, 128325244, 256650488]

約数ペア:

[(1, 256650488), (2, 128325244), (4, 64162622), (8, 32081311), (31, 8279048), (41, 6259768), (43, 5968616), (62, 4139524), (82, 3129884), (86, 2984308), (124, 2069762), (164, 1564942), (172, 1492154), (248, 1034881), (328, 782471), (344, 746077), (587, 437224), (1174, 218612), (1271, 201928), (1333, 192536), (1763, 145576), (2348, 109306), (2542, 100964), (2666, 96268), (3526, 72788), (4696, 54653), (5084, 50482), (5332, 48134), (7052, 36394), (10168, 25241), (10664, 24067), (14104, 18197)]