211518208

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2423}}^1$

素因数の和:2481

約数の個数: 72

約数和(自身を含む): 475646976

約数和(自身を除く): 264128768

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 341, 352, 496, 682, 704, 992, 1364, 1408, 1984, 2423, 2728, 2816, 3968, 4846, 5456, 7936, 9692, 10912, 19384, 21824, 26653, 38768, 43648, 53306, 75113, 77536, 87296, 106612, 150226, 155072, 213224, 300452, 310144, 426448, 600904, 620288, 826243, 852896, 1201808, 1652486, 1705792, 2403616, 3304972, 3411584, 4807232, 6609944, 6823168, 9614464, 13219888, 19228928, 26439776, 52879552, 105759104, 211518208]

約数ペア:

[(1, 211518208), (2, 105759104), (4, 52879552), (8, 26439776), (11, 19228928), (16, 13219888), (22, 9614464), (31, 6823168), (32, 6609944), (44, 4807232), (62, 3411584), (64, 3304972), (88, 2403616), (124, 1705792), (128, 1652486), (176, 1201808), (248, 852896), (256, 826243), (341, 620288), (352, 600904), (496, 426448), (682, 310144), (704, 300452), (992, 213224), (1364, 155072), (1408, 150226), (1984, 106612), (2423, 87296), (2728, 77536), (2816, 75113), (3968, 53306), (4846, 43648), (5456, 38768), (7936, 26653), (9692, 21824), (10912, 19384)]