211175615

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1381}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 308064384

約数和(自身を除く): 96888769

約数列:

[1, 5, 7, 17, 35, 85, 119, 257, 595, 1285, 1381, 1799, 4369, 6905, 8995, 9667, 21845, 23477, 30583, 48335, 117385, 152915, 164339, 354917, 821695, 1774585, 2484419, 6033589, 12422095, 30167945, 42235123, 211175615]

約数ペア:

[(1, 211175615), (5, 42235123), (7, 30167945), (17, 12422095), (35, 6033589), (85, 2484419), (119, 1774585), (257, 821695), (595, 354917), (1285, 164339), (1381, 152915), (1799, 117385), (4369, 48335), (6905, 30583), (8995, 23477), (9667, 21845)]