276991939

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 335301120

約数和(自身を除く): 58309181

約数列:

[1, 7, 43, 53, 97, 179, 301, 371, 679, 1253, 2279, 4171, 5141, 7697, 9487, 15953, 17363, 29197, 35987, 53879, 66409, 121541, 221063, 407941, 746609, 920239, 1547441, 2855587, 5226263, 6441673, 39570277, 276991939]

約数ペア:

[(1, 276991939), (7, 39570277), (43, 6441673), (53, 5226263), (97, 2855587), (179, 1547441), (301, 920239), (371, 746609), (679, 407941), (1253, 221063), (2279, 121541), (4171, 66409), (5141, 53879), (7697, 35987), (9487, 29197), (15953, 17363)]