28001176

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 64627200

約数和(自身を除く): 36626024

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 67, 68, 119, 134, 136, 238, 268, 439, 469, 476, 536, 878, 938, 952, 1139, 1756, 1876, 2278, 3073, 3512, 3752, 4556, 6146, 7463, 7973, 9112, 12292, 14926, 15946, 24584, 29413, 29852, 31892, 52241, 58826, 59704, 63784, 104482, 117652, 205891, 208964, 235304, 411782, 417928, 500021, 823564, 1000042, 1647128, 2000084, 3500147, 4000168, 7000294, 14000588, 28001176]

約数ペア:

[(1, 28001176), (2, 14000588), (4, 7000294), (7, 4000168), (8, 3500147), (14, 2000084), (17, 1647128), (28, 1000042), (34, 823564), (56, 500021), (67, 417928), (68, 411782), (119, 235304), (134, 208964), (136, 205891), (238, 117652), (268, 104482), (439, 63784), (469, 59704), (476, 58826), (536, 52241), (878, 31892), (938, 29852), (952, 29413), (1139, 24584), (1756, 15946), (1876, 14926), (2278, 12292), (3073, 9112), (3512, 7973), (3752, 7463), (4556, 6146)]