2009648

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 40

約数和(自身を含む): 4190208

約数和(自身を除く): 2180560

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 127, 172, 184, 254, 344, 368, 508, 688, 989, 1016, 1978, 2032, 2921, 3956, 5461, 5842, 7912, 10922, 11684, 15824, 21844, 23368, 43688, 46736, 87376, 125603, 251206, 502412, 1004824, 2009648]

約数ペア:

[(1, 2009648), (2, 1004824), (4, 502412), (8, 251206), (16, 125603), (23, 87376), (43, 46736), (46, 43688), (86, 23368), (92, 21844), (127, 15824), (172, 11684), (184, 10922), (254, 7912), (344, 5842), (368, 5461), (508, 3956), (688, 2921), (989, 2032), (1016, 1978)]