197919872

素因数分解:

$2^7\times {\mathrm{31}}^2\times {\mathrm{1609}}^1$

素因数の和:1685

約数の個数: 48

約数和(自身を含む): 407676150

約数和(自身を除く): 209756278

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 961, 992, 1609, 1922, 1984, 3218, 3844, 3968, 6436, 7688, 12872, 15376, 25744, 30752, 49879, 51488, 61504, 99758, 102976, 123008, 199516, 205952, 399032, 798064, 1546249, 1596128, 3092498, 3192256, 6184996, 6384512, 12369992, 24739984, 49479968, 98959936, 197919872]

約数ペア:

[(1, 197919872), (2, 98959936), (4, 49479968), (8, 24739984), (16, 12369992), (31, 6384512), (32, 6184996), (62, 3192256), (64, 3092498), (124, 1596128), (128, 1546249), (248, 798064), (496, 399032), (961, 205952), (992, 199516), (1609, 123008), (1922, 102976), (1984, 99758), (3218, 61504), (3844, 51488), (3968, 49879), (6436, 30752), (7688, 25744), (12872, 15376)]