12391475

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 16189440

約数和(自身を除く): 3797965

約数列:

[1, 5, 25, 31, 59, 155, 271, 295, 775, 1355, 1475, 1829, 6775, 8401, 9145, 15989, 42005, 45725, 79945, 210025, 399725, 495659, 2478295, 12391475]

約数ペア:

[(1, 12391475), (5, 2478295), (25, 495659), (31, 399725), (59, 210025), (155, 79945), (271, 45725), (295, 42005), (775, 15989), (1355, 9145), (1475, 8401), (1829, 6775)]