28147735

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 42550272

約数和(自身を除く): 14402537

約数列:

[1, 5, 7, 11, 35, 55, 77, 113, 385, 565, 647, 791, 1243, 3235, 3955, 4529, 6215, 7117, 8701, 22645, 35585, 43505, 49819, 73111, 249095, 365555, 511777, 804221, 2558885, 4021105, 5629547, 28147735]

約数ペア:

[(1, 28147735), (5, 5629547), (7, 4021105), (11, 2558885), (35, 804221), (55, 511777), (77, 365555), (113, 249095), (385, 73111), (565, 49819), (647, 43505), (791, 35585), (1243, 22645), (3235, 8701), (3955, 7117), (4529, 6215)]