16380679

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 21196800

約数和(自身を除く): 4816121

約数列:

[1, 7, 19, 29, 31, 133, 137, 203, 217, 551, 589, 899, 959, 2603, 3857, 3973, 4123, 4247, 6293, 17081, 18221, 27811, 29729, 75487, 80693, 119567, 123163, 528409, 564851, 862141, 2340097, 16380679]

約数ペア:

[(1, 16380679), (7, 2340097), (19, 862141), (29, 564851), (31, 528409), (133, 123163), (137, 119567), (203, 80693), (217, 75487), (551, 29729), (589, 27811), (899, 18221), (959, 17081), (2603, 6293), (3857, 4247), (3973, 4123)]