219660544

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 459164160

約数和(自身を除く): 239503616

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 128, 178, 248, 256, 311, 356, 496, 622, 712, 992, 1244, 1424, 1984, 2488, 2759, 2848, 3968, 4976, 5518, 5696, 7936, 9641, 9952, 11036, 11392, 19282, 19904, 22072, 22784, 27679, 38564, 39808, 44144, 55358, 77128, 79616, 88288, 110716, 154256, 176576, 221432, 308512, 353152, 442864, 617024, 706304, 858049, 885728, 1234048, 1716098, 1771456, 2468096, 3432196, 3542912, 6864392, 7085824, 13728784, 27457568, 54915136, 109830272, 219660544]

約数ペア:

[(1, 219660544), (2, 109830272), (4, 54915136), (8, 27457568), (16, 13728784), (31, 7085824), (32, 6864392), (62, 3542912), (64, 3432196), (89, 2468096), (124, 1771456), (128, 1716098), (178, 1234048), (248, 885728), (256, 858049), (311, 706304), (356, 617024), (496, 442864), (622, 353152), (712, 308512), (992, 221432), (1244, 176576), (1424, 154256), (1984, 110716), (2488, 88288), (2759, 79616), (2848, 77128), (3968, 55358), (4976, 44144), (5518, 39808), (5696, 38564), (7936, 27679), (9641, 22784), (9952, 22072), (11036, 19904), (11392, 19282)]