28603775

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 36

約数和(自身を含む): 39057768

約数和(自身を除く): 10453993

約数列:

[1, 5, 17, 25, 37, 85, 107, 185, 289, 425, 535, 629, 925, 1445, 1819, 2675, 3145, 3959, 7225, 9095, 10693, 15725, 19795, 30923, 45475, 53465, 67303, 98975, 154615, 267325, 336515, 773075, 1144151, 1682575, 5720755, 28603775]

約数ペア:

[(1, 28603775), (5, 5720755), (17, 1682575), (25, 1144151), (37, 773075), (85, 336515), (107, 267325), (185, 154615), (289, 98975), (425, 67303), (535, 53465), (629, 45475), (925, 30923), (1445, 19795), (1819, 15725), (2675, 10693), (3145, 9095), (3959, 7225)]