397256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 829440

約数和(自身を除く): 432184

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 127, 136, 184, 254, 391, 508, 782, 1016, 1564, 2159, 2921, 3128, 4318, 5842, 8636, 11684, 17272, 23368, 49657, 99314, 198628, 397256]

約数ペア:

[(1, 397256), (2, 198628), (4, 99314), (8, 49657), (17, 23368), (23, 17272), (34, 11684), (46, 8636), (68, 5842), (92, 4318), (127, 3128), (136, 2921), (184, 2159), (254, 1564), (391, 1016), (508, 782)]