209401936

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{1229}}^1$

素因数の和:1723

約数の個数: 40

約数和(自身を含む): 424615680

約数和(自身を除く): 215213744

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 463, 926, 1229, 1852, 2458, 3704, 4916, 7408, 9832, 10649, 19664, 21298, 28267, 42596, 56534, 85192, 113068, 170384, 226136, 452272, 569027, 1138054, 2276108, 4552216, 9104432, 13087621, 26175242, 52350484, 104700968, 209401936]

約数ペア:

[(1, 209401936), (2, 104700968), (4, 52350484), (8, 26175242), (16, 13087621), (23, 9104432), (46, 4552216), (92, 2276108), (184, 1138054), (368, 569027), (463, 452272), (926, 226136), (1229, 170384), (1852, 113068), (2458, 85192), (3704, 56534), (4916, 42596), (7408, 28267), (9832, 21298), (10649, 19664)]