198991744

素因数分解:

$2^7\times 7^2\times {\mathrm{31727}}^1$

素因数の和:31755

約数の個数: 48

約数和(自身を含む): 461166480

約数和(自身を除く): 262174736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 31727, 63454, 126908, 222089, 253816, 444178, 507632, 888356, 1015264, 1554623, 1776712, 2030528, 3109246, 3553424, 4061056, 6218492, 7106848, 12436984, 14213696, 24873968, 28427392, 49747936, 99495872, 198991744]

約数ペア:

[(1, 198991744), (2, 99495872), (4, 49747936), (7, 28427392), (8, 24873968), (14, 14213696), (16, 12436984), (28, 7106848), (32, 6218492), (49, 4061056), (56, 3553424), (64, 3109246), (98, 2030528), (112, 1776712), (128, 1554623), (196, 1015264), (224, 888356), (392, 507632), (448, 444178), (784, 253816), (896, 222089), (1568, 126908), (3136, 63454), (6272, 31727)]