81611824

素因数分解:

$2^4\times 7^1\times {\mathrm{617}}^1\times {\mathrm{1181}}^1$

素因数の和:1813

約数の個数: 40

約数和(自身を含む): 181158048

約数和(自身を除く): 99546224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 617, 1181, 1234, 2362, 2468, 4319, 4724, 4936, 8267, 8638, 9448, 9872, 16534, 17276, 18896, 33068, 34552, 66136, 69104, 132272, 728677, 1457354, 2914708, 5100739, 5829416, 10201478, 11658832, 20402956, 40805912, 81611824]

約数ペア:

[(1, 81611824), (2, 40805912), (4, 20402956), (7, 11658832), (8, 10201478), (14, 5829416), (16, 5100739), (28, 2914708), (56, 1457354), (112, 728677), (617, 132272), (1181, 69104), (1234, 66136), (2362, 34552), (2468, 33068), (4319, 18896), (4724, 17276), (4936, 16534), (8267, 9872), (8638, 9448)]