28014385

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 13042895

約数列:

[1, 5, 7, 17, 35, 85, 119, 197, 239, 595, 985, 1195, 1379, 1673, 3349, 4063, 6895, 8365, 16745, 20315, 23443, 28441, 47083, 117215, 142205, 235415, 329581, 800411, 1647905, 4002055, 5602877, 28014385]

約数ペア:

[(1, 28014385), (5, 5602877), (7, 4002055), (17, 1647905), (35, 800411), (85, 329581), (119, 235415), (197, 142205), (239, 117215), (595, 47083), (985, 28441), (1195, 23443), (1379, 20315), (1673, 16745), (3349, 8365), (4063, 6895)]