201979136

素因数分解:

$2^8\times {\mathrm{31}}^2\times {\mathrm{821}}^1$

素因数の和:899

約数の個数: 54

約数和(自身を含む): 417101706

約数和(自身を除く): 215122570

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 821, 961, 992, 1642, 1922, 1984, 3284, 3844, 3968, 6568, 7688, 7936, 13136, 15376, 25451, 26272, 30752, 50902, 52544, 61504, 101804, 105088, 123008, 203608, 210176, 246016, 407216, 788981, 814432, 1577962, 1628864, 3155924, 3257728, 6311848, 6515456, 12623696, 25247392, 50494784, 100989568, 201979136]

約数ペア:

[(1, 201979136), (2, 100989568), (4, 50494784), (8, 25247392), (16, 12623696), (31, 6515456), (32, 6311848), (62, 3257728), (64, 3155924), (124, 1628864), (128, 1577962), (248, 814432), (256, 788981), (496, 407216), (821, 246016), (961, 210176), (992, 203608), (1642, 123008), (1922, 105088), (1984, 101804), (3284, 61504), (3844, 52544), (3968, 50902), (6568, 30752), (7688, 26272), (7936, 25451), (13136, 15376)]