28261429

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 36274176

約数和(自身を除く): 8012747

約数列:

[1, 7, 17, 31, 47, 119, 163, 217, 329, 527, 799, 1141, 1457, 2771, 3689, 5053, 5593, 7661, 10199, 19397, 24769, 35371, 53627, 85901, 130237, 173383, 237491, 601307, 911659, 1662437, 4037347, 28261429]

約数ペア:

[(1, 28261429), (7, 4037347), (17, 1662437), (31, 911659), (47, 601307), (119, 237491), (163, 173383), (217, 130237), (329, 85901), (527, 53627), (799, 35371), (1141, 24769), (1457, 19397), (2771, 10199), (3689, 7661), (5053, 5593)]