1221499076

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1407257}}^1$

素因数の和:1407299

約数の個数: 24

約数和(自身を含む): 2521806336

約数和(自身を除く): 1300307260

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 1407257, 2814514, 5629028, 9850799, 19701598, 39403196, 43624967, 87249934, 174499868, 305374769, 610749538, 1221499076]

約数ペア:

[(1, 1221499076), (2, 610749538), (4, 305374769), (7, 174499868), (14, 87249934), (28, 43624967), (31, 39403196), (62, 19701598), (124, 9850799), (217, 5629028), (434, 2814514), (868, 1407257)]