339642745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{811}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 466542720

約数和(自身を除く): 126899975

約数列:

[1, 5, 13, 17, 65, 85, 221, 379, 811, 1105, 1895, 4055, 4927, 6443, 10543, 13787, 24635, 32215, 52715, 68935, 83759, 179231, 307369, 418795, 896155, 1536845, 3995797, 5225273, 19978985, 26126365, 67928549, 339642745]

約数ペア:

[(1, 339642745), (5, 67928549), (13, 26126365), (17, 19978985), (65, 5225273), (85, 3995797), (221, 1536845), (379, 896155), (811, 418795), (1105, 307369), (1895, 179231), (4055, 83759), (4927, 68935), (6443, 52715), (10543, 32215), (13787, 24635)]