209267968

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^2\times {\mathrm{691}}^1$

素因数の和:740

約数の個数: 108

約数和(自身を含む): 517687968

約数和(自身を除く): 308420000

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 169, 182, 208, 224, 256, 338, 364, 416, 448, 676, 691, 728, 832, 896, 1183, 1352, 1382, 1456, 1664, 1792, 2366, 2704, 2764, 2912, 3328, 4732, 4837, 5408, 5528, 5824, 8983, 9464, 9674, 10816, 11056, 11648, 17966, 18928, 19348, 21632, 22112, 23296, 35932, 37856, 38696, 43264, 44224, 62881, 71864, 75712, 77392, 88448, 116779, 125762, 143728, 151424, 154784, 176896, 233558, 251524, 287456, 302848, 309568, 467116, 503048, 574912, 619136, 817453, 934232, 1006096, 1149824, 1238272, 1634906, 1868464, 2012192, 2299648, 3269812, 3736928, 4024384, 6539624, 7473856, 8048768, 13079248, 14947712, 16097536, 26158496, 29895424, 52316992, 104633984, 209267968]

約数ペア:

[(1, 209267968), (2, 104633984), (4, 52316992), (7, 29895424), (8, 26158496), (13, 16097536), (14, 14947712), (16, 13079248), (26, 8048768), (28, 7473856), (32, 6539624), (52, 4024384), (56, 3736928), (64, 3269812), (91, 2299648), (104, 2012192), (112, 1868464), (128, 1634906), (169, 1238272), (182, 1149824), (208, 1006096), (224, 934232), (256, 817453), (338, 619136), (364, 574912), (416, 503048), (448, 467116), (676, 309568), (691, 302848), (728, 287456), (832, 251524), (896, 233558), (1183, 176896), (1352, 154784), (1382, 151424), (1456, 143728), (1664, 125762), (1792, 116779), (2366, 88448), (2704, 77392), (2764, 75712), (2912, 71864), (3328, 62881), (4732, 44224), (4837, 43264), (5408, 38696), (5528, 37856), (5824, 35932), (8983, 23296), (9464, 22112), (9674, 21632), (10816, 19348), (11056, 18928), (11648, 17966)]