221458405

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{797}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 322672896

約数和(自身を除く): 101214491

約数列:

[1, 5, 7, 17, 35, 85, 119, 467, 595, 797, 2335, 3269, 3985, 5579, 7939, 13549, 16345, 27895, 39695, 55573, 67745, 94843, 277865, 372199, 474215, 1860995, 2605393, 6327383, 13026965, 31636915, 44291681, 221458405]

約数ペア:

[(1, 221458405), (5, 44291681), (7, 31636915), (17, 13026965), (35, 6327383), (85, 2605393), (119, 1860995), (467, 474215), (595, 372199), (797, 277865), (2335, 94843), (3269, 67745), (3985, 55573), (5579, 39695), (7939, 27895), (13549, 16345)]