39686168

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 75978000

約数和(自身を除く): 36291832

約数列:

[1, 2, 4, 8, 89, 139, 178, 278, 356, 401, 556, 712, 802, 1112, 1604, 3208, 12371, 24742, 35689, 49484, 55739, 71378, 98968, 111478, 142756, 222956, 285512, 445912, 4960771, 9921542, 19843084, 39686168]

約数ペア:

[(1, 39686168), (2, 19843084), (4, 9921542), (8, 4960771), (89, 445912), (139, 285512), (178, 222956), (278, 142756), (356, 111478), (401, 98968), (556, 71378), (712, 55739), (802, 49484), (1112, 35689), (1604, 24742), (3208, 12371)]