81453904

素因数分解:

$2^4\times 7^1\times {\mathrm{727267}}^1$

素因数の和:727282

約数の個数: 20

約数和(自身を含む): 180362464

約数和(自身を除く): 98908560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 727267, 1454534, 2909068, 5090869, 5818136, 10181738, 11636272, 20363476, 40726952, 81453904]

約数ペア:

[(1, 81453904), (2, 40726952), (4, 20363476), (7, 11636272), (8, 10181738), (14, 5818136), (16, 5090869), (28, 2909068), (56, 1454534), (112, 727267)]