258159025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 352303344

約数和(自身を除く): 94144319

約数列:

[1, 5, 17, 25, 53, 73, 85, 157, 265, 365, 425, 785, 901, 1241, 1325, 1825, 2669, 3869, 3925, 4505, 6205, 8321, 11461, 13345, 19345, 22525, 31025, 41605, 57305, 65773, 66725, 96725, 141457, 194837, 208025, 286525, 328865, 607433, 707285, 974185, 1644325, 3037165, 3536425, 4870925, 10326361, 15185825, 51631805, 258159025]

約数ペア:

[(1, 258159025), (5, 51631805), (17, 15185825), (25, 10326361), (53, 4870925), (73, 3536425), (85, 3037165), (157, 1644325), (265, 974185), (365, 707285), (425, 607433), (785, 328865), (901, 286525), (1241, 208025), (1325, 194837), (1825, 141457), (2669, 96725), (3869, 66725), (3925, 65773), (4505, 57305), (6205, 41605), (8321, 31025), (11461, 22525), (13345, 19345)]