25278848

素因数分解:

$2^7\times 7^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 58384800

約数和(自身を除く): 33105952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 317, 356, 448, 623, 634, 712, 896, 1246, 1268, 1424, 2219, 2492, 2536, 2848, 4438, 4984, 5072, 5696, 8876, 9968, 10144, 11392, 17752, 19936, 20288, 28213, 35504, 39872, 40576, 56426, 71008, 79744, 112852, 142016, 197491, 225704, 284032, 394982, 451408, 789964, 902816, 1579928, 1805632, 3159856, 3611264, 6319712, 12639424, 25278848]

約数ペア:

[(1, 25278848), (2, 12639424), (4, 6319712), (7, 3611264), (8, 3159856), (14, 1805632), (16, 1579928), (28, 902816), (32, 789964), (56, 451408), (64, 394982), (89, 284032), (112, 225704), (128, 197491), (178, 142016), (224, 112852), (317, 79744), (356, 71008), (448, 56426), (623, 40576), (634, 39872), (712, 35504), (896, 28213), (1246, 20288), (1268, 19936), (1424, 17752), (2219, 11392), (2492, 10144), (2536, 9968), (2848, 8876), (4438, 5696), (4984, 5072)]