287349725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{52009}}^1$

素因数の和:52049

約数の個数: 24

約数和(自身を含む): 406302120

約数和(自身を除く): 118952395

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 52009, 260045, 676117, 884153, 1300225, 3380585, 4420765, 11493989, 16902925, 22103825, 57469945, 287349725]

約数ペア:

[(1, 287349725), (5, 57469945), (13, 22103825), (17, 16902925), (25, 11493989), (65, 4420765), (85, 3380585), (221, 1300225), (325, 884153), (425, 676117), (1105, 260045), (5525, 52009)]