40378294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 69465600

約数和(自身を除く): 29087306

約数列:

[1, 2, 11, 22, 23, 46, 199, 253, 398, 401, 506, 802, 2189, 4378, 4411, 4577, 8822, 9154, 9223, 18446, 50347, 79799, 100694, 101453, 159598, 202906, 877789, 1755578, 1835377, 3670754, 20189147, 40378294]

約数ペア:

[(1, 40378294), (2, 20189147), (11, 3670754), (22, 1835377), (23, 1755578), (46, 877789), (199, 202906), (253, 159598), (398, 101453), (401, 100694), (506, 79799), (802, 50347), (2189, 18446), (4378, 9223), (4411, 9154), (4577, 8822)]