221781504

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{20627}}^1$

素因数の和:20655

約数の個数: 80

約数和(自身を含む): 675278208

約数和(自身を除く): 453496704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 2688, 3584, 5376, 10752, 20627, 41254, 61881, 82508, 123762, 144389, 165016, 247524, 288778, 330032, 433167, 495048, 577556, 660064, 866334, 990096, 1155112, 1320128, 1732668, 1980192, 2310224, 2640256, 3465336, 3960384, 4620448, 5280512, 6930672, 7920768, 9240896, 10561024, 13861344, 15841536, 18481792, 27722688, 31683072, 36963584, 55445376, 73927168, 110890752, 221781504]

約数ペア:

[(1, 221781504), (2, 110890752), (3, 73927168), (4, 55445376), (6, 36963584), (7, 31683072), (8, 27722688), (12, 18481792), (14, 15841536), (16, 13861344), (21, 10561024), (24, 9240896), (28, 7920768), (32, 6930672), (42, 5280512), (48, 4620448), (56, 3960384), (64, 3465336), (84, 2640256), (96, 2310224), (112, 1980192), (128, 1732668), (168, 1320128), (192, 1155112), (224, 990096), (256, 866334), (336, 660064), (384, 577556), (448, 495048), (512, 433167), (672, 330032), (768, 288778), (896, 247524), (1344, 165016), (1536, 144389), (1792, 123762), (2688, 82508), (3584, 61881), (5376, 41254), (10752, 20627)]