248546571

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1567}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 420424704

約数和(自身を除く): 171878133

約数列:

[1, 3, 7, 13, 21, 39, 49, 83, 91, 147, 249, 273, 581, 637, 1079, 1567, 1743, 1911, 3237, 4067, 4701, 7553, 10969, 12201, 20371, 22659, 32907, 52871, 61113, 76783, 130061, 142597, 158613, 230349, 390183, 427791, 910427, 998179, 1690793, 2731281, 2994537, 5072379, 6372989, 11835551, 19118967, 35506653, 82848857, 248546571]

約数ペア:

[(1, 248546571), (3, 82848857), (7, 35506653), (13, 19118967), (21, 11835551), (39, 6372989), (49, 5072379), (83, 2994537), (91, 2731281), (147, 1690793), (249, 998179), (273, 910427), (581, 427791), (637, 390183), (1079, 230349), (1567, 158613), (1743, 142597), (1911, 130061), (3237, 76783), (4067, 61113), (4701, 52871), (7553, 32907), (10969, 22659), (12201, 20371)]