217897472

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1723}}^1$

素因数の和:1773

約数の個数: 80

約数和(自身を含む): 493822560

約数和(自身を除く): 275925088

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 512, 608, 832, 988, 1216, 1664, 1723, 1976, 2432, 3328, 3446, 3952, 4864, 6656, 6892, 7904, 9728, 13784, 15808, 22399, 27568, 31616, 32737, 44798, 55136, 63232, 65474, 89596, 110272, 126464, 130948, 179192, 220544, 261896, 358384, 425581, 441088, 523792, 716768, 851162, 882176, 1047584, 1433536, 1702324, 2095168, 2867072, 3404648, 4190336, 5734144, 6809296, 8380672, 11468288, 13618592, 16761344, 27237184, 54474368, 108948736, 217897472]

約数ペア:

[(1, 217897472), (2, 108948736), (4, 54474368), (8, 27237184), (13, 16761344), (16, 13618592), (19, 11468288), (26, 8380672), (32, 6809296), (38, 5734144), (52, 4190336), (64, 3404648), (76, 2867072), (104, 2095168), (128, 1702324), (152, 1433536), (208, 1047584), (247, 882176), (256, 851162), (304, 716768), (416, 523792), (494, 441088), (512, 425581), (608, 358384), (832, 261896), (988, 220544), (1216, 179192), (1664, 130948), (1723, 126464), (1976, 110272), (2432, 89596), (3328, 65474), (3446, 63232), (3952, 55136), (4864, 44798), (6656, 32737), (6892, 31616), (7904, 27568), (9728, 22399), (13784, 15808)]