157222715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{541}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 216349056

約数和(自身を除く): 59126341

約数列:

[1, 5, 13, 17, 65, 85, 221, 263, 541, 1105, 1315, 2705, 3419, 4471, 7033, 9197, 17095, 22355, 35165, 45985, 58123, 119561, 142283, 290615, 597805, 711415, 1849679, 2418811, 9248395, 12094055, 31444543, 157222715]

約数ペア:

[(1, 157222715), (5, 31444543), (13, 12094055), (17, 9248395), (65, 2418811), (85, 1849679), (221, 711415), (263, 597805), (541, 290615), (1105, 142283), (1315, 119561), (2705, 58123), (3419, 45985), (4471, 35165), (7033, 22355), (9197, 17095)]