8173984

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:438

約数の個数: 72

約数和(自身を含む): 20210148

約数和(自身を除く): 12036164

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 401, 416, 637, 728, 784, 802, 1274, 1456, 1568, 1604, 2548, 2807, 2912, 3208, 5096, 5213, 5614, 6416, 10192, 10426, 11228, 12832, 19649, 20384, 20852, 22456, 36491, 39298, 41704, 44912, 72982, 78596, 83408, 89824, 145964, 157192, 166816, 255437, 291928, 314384, 510874, 583856, 628768, 1021748, 1167712, 2043496, 4086992, 8173984]

約数ペア:

[(1, 8173984), (2, 4086992), (4, 2043496), (7, 1167712), (8, 1021748), (13, 628768), (14, 583856), (16, 510874), (26, 314384), (28, 291928), (32, 255437), (49, 166816), (52, 157192), (56, 145964), (91, 89824), (98, 83408), (104, 78596), (112, 72982), (182, 44912), (196, 41704), (208, 39298), (224, 36491), (364, 22456), (392, 20852), (401, 20384), (416, 19649), (637, 12832), (728, 11228), (784, 10426), (802, 10192), (1274, 6416), (1456, 5614), (1568, 5213), (1604, 5096), (2548, 3208), (2807, 2912)]