16499945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 26148096

約数和(自身を除く): 9648151

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 2521, 6545, 12605, 17647, 27731, 42857, 88235, 138655, 194117, 214285, 299999, 471427, 970585, 1499995, 2357135, 3299989, 16499945]

約数ペア:

[(1, 16499945), (5, 3299989), (7, 2357135), (11, 1499995), (17, 970585), (35, 471427), (55, 299999), (77, 214285), (85, 194117), (119, 138655), (187, 88235), (385, 42857), (595, 27731), (935, 17647), (1309, 12605), (2521, 6545)]