221891328

素因数分解:

$2^8\times 3^2\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:714

約数の個数: 108

約数和(自身を含む): 644371000

約数和(自身を除く): 422479672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 193, 256, 288, 384, 386, 499, 576, 579, 768, 772, 998, 1152, 1158, 1497, 1544, 1737, 1996, 2304, 2316, 2994, 3088, 3474, 3992, 4491, 4632, 5988, 6176, 6948, 7984, 8982, 9264, 11976, 12352, 13896, 15968, 17964, 18528, 23952, 24704, 27792, 31936, 35928, 37056, 47904, 49408, 55584, 63872, 71856, 74112, 95808, 96307, 111168, 127744, 143712, 148224, 191616, 192614, 222336, 287424, 288921, 383232, 385228, 444672, 574848, 577842, 770456, 866763, 1149696, 1155684, 1540912, 1733526, 2311368, 3081824, 3467052, 4622736, 6163648, 6934104, 9245472, 12327296, 13868208, 18490944, 24654592, 27736416, 36981888, 55472832, 73963776, 110945664, 221891328]

約数ペア:

[(1, 221891328), (2, 110945664), (3, 73963776), (4, 55472832), (6, 36981888), (8, 27736416), (9, 24654592), (12, 18490944), (16, 13868208), (18, 12327296), (24, 9245472), (32, 6934104), (36, 6163648), (48, 4622736), (64, 3467052), (72, 3081824), (96, 2311368), (128, 1733526), (144, 1540912), (192, 1155684), (193, 1149696), (256, 866763), (288, 770456), (384, 577842), (386, 574848), (499, 444672), (576, 385228), (579, 383232), (768, 288921), (772, 287424), (998, 222336), (1152, 192614), (1158, 191616), (1497, 148224), (1544, 143712), (1737, 127744), (1996, 111168), (2304, 96307), (2316, 95808), (2994, 74112), (3088, 71856), (3474, 63872), (3992, 55584), (4491, 49408), (4632, 47904), (5988, 37056), (6176, 35928), (6948, 31936), (7984, 27792), (8982, 24704), (9264, 23952), (11976, 18528), (12352, 17964), (13896, 15968)]