661548928

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{5749}}^1$

素因数の和:5823

約数の個数: 64

約数和(自身を含む): 1407600000

約数和(自身を除く): 746051072

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 64, 116, 124, 128, 232, 248, 464, 496, 899, 928, 992, 1798, 1856, 1984, 3596, 3712, 3968, 5749, 7192, 11498, 14384, 22996, 28768, 45992, 57536, 91984, 115072, 166721, 178219, 183968, 333442, 356438, 367936, 666884, 712876, 735872, 1333768, 1425752, 2667536, 2851504, 5168351, 5335072, 5703008, 10336702, 10670144, 11406016, 20673404, 21340288, 22812032, 41346808, 82693616, 165387232, 330774464, 661548928]

約数ペア:

[(1, 661548928), (2, 330774464), (4, 165387232), (8, 82693616), (16, 41346808), (29, 22812032), (31, 21340288), (32, 20673404), (58, 11406016), (62, 10670144), (64, 10336702), (116, 5703008), (124, 5335072), (128, 5168351), (232, 2851504), (248, 2667536), (464, 1425752), (496, 1333768), (899, 735872), (928, 712876), (992, 666884), (1798, 367936), (1856, 356438), (1984, 333442), (3596, 183968), (3712, 178219), (3968, 166721), (5749, 115072), (7192, 91984), (11498, 57536), (14384, 45992), (22996, 28768)]