81876368

素因数分解:

$2^4\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1181}}^1$

素因数の和:1815

約数の個数: 40

約数和(自身を含む): 181744320

約数和(自身を除く): 99867952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 619, 1181, 1238, 2362, 2476, 4333, 4724, 4952, 8267, 8666, 9448, 9904, 16534, 17332, 18896, 33068, 34664, 66136, 69328, 132272, 731039, 1462078, 2924156, 5117273, 5848312, 10234546, 11696624, 20469092, 40938184, 81876368]

約数ペア:

[(1, 81876368), (2, 40938184), (4, 20469092), (7, 11696624), (8, 10234546), (14, 5848312), (16, 5117273), (28, 2924156), (56, 1462078), (112, 731039), (619, 132272), (1181, 69328), (1238, 66136), (2362, 34664), (2476, 33068), (4333, 18896), (4724, 17332), (4952, 16534), (8267, 9904), (8666, 9448)]