1313935

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 1904256

約数和(自身を除く): 590321

約数列:

[1, 5, 7, 31, 35, 49, 155, 173, 217, 245, 865, 1085, 1211, 1519, 5363, 6055, 7595, 8477, 26815, 37541, 42385, 187705, 262787, 1313935]

約数ペア:

[(1, 1313935), (5, 262787), (7, 187705), (31, 42385), (35, 37541), (49, 26815), (155, 8477), (173, 7595), (217, 6055), (245, 5363), (865, 1519), (1085, 1211)]